diff --git a/src/core/tests/Deal.Tests.Unit/Api/DataRetentionSchedulerTests.cs b/src/core/tests/Deal.Tests.Unit/Api/DataRetentionSchedulerTests.cs
index 54eae3f..9ba33ff 100644
--- a/src/core/tests/Deal.Tests.Unit/Api/DataRetentionSchedulerTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Api/DataRetentionSchedulerTests.cs
@@ -1,6 +1,7 @@
 using Deal.Api.Configuration;
 using Deal.Api.Hosting;
 using Deal.Modules.Tenants.Application.Abstractions;
+using Deal.Tests.Unit.Support;
 using Deal.Modules.Tenants.Application.Models;
 using Deal.Tests.Unit.Modules.Tenants;
 using Microsoft.Extensions.DependencyInjection;
@@ -31,9 +32,9 @@ public sealed class DataRetentionSchedulerTests
         // Период месяца начат два месяца назад → истёк; строка с накоплениями должна обнулиться.
         limits.Preload(TenantId, budgetTokens: 1000, TenantLimitPeriods.Month, now.AddMonths(-2), usedTokens: 700, warned80: true);
 
-        var counters = new FakeRateLimitCounterStore();
-        await counters.IncrementAsync("expired", now.AddHours(-2), now.AddHours(-2).AddMinutes(1), 1, CancellationToken.None);
-        await counters.IncrementAsync("active", now, now.AddMinutes(1), 1, CancellationToken.None);
+        var counters = new TestRateLimitCounterStore();
+        await counters.Store.IncrementAsync("expired", now.AddHours(-2), now.AddHours(-2).AddMinutes(1), 1, CancellationToken.None);
+        await counters.Store.IncrementAsync("active", now, now.AddMinutes(1), 1, CancellationToken.None);
 
         await using ServiceProvider provider = BuildProvider(audit, limits, counters);
         DataRetentionScheduler scheduler = new(
@@ -51,8 +52,8 @@ public sealed class DataRetentionSchedulerTests
         Assert.Equal(0, limits.UsedTokens(TenantId));
 
         // Счётчики: завершившееся окно удалено, активное осталось.
-        Assert.Equal(0, await counters.GetCountAsync("expired", now.AddHours(-2), CancellationToken.None));
-        Assert.Equal(1, await counters.GetCountAsync("active", now, CancellationToken.None));
+        Assert.Equal(0, await counters.Store.GetCountAsync("expired", now.AddHours(-2), CancellationToken.None));
+        Assert.Equal(1, await counters.Store.GetCountAsync("active", now, CancellationToken.None));
     }
 
     /// <summary>
@@ -66,7 +67,7 @@ public sealed class DataRetentionSchedulerTests
         await audit.AppendAsync(AuditRecord(AuditEvents.OperatorLoginOk, now.AddDays(-(RetentionDays + 1))), CancellationToken.None);
         var limits = new FakeTenantLimitStore();
         limits.Preload(TenantId, budgetTokens: 1000, TenantLimitPeriods.Month, now.AddMonths(-2), usedTokens: 500);
-        await using ServiceProvider provider = BuildProvider(audit, limits, new FakeRateLimitCounterStore());
+        await using ServiceProvider provider = BuildProvider(audit, limits, new TestRateLimitCounterStore());
         DataRetentionScheduler scheduler = new(
             provider.GetRequiredService<IServiceScopeFactory>(),
             new DataRetentionOptions { AuditRetentionDays = RetentionDays },
@@ -82,17 +83,17 @@ public sealed class DataRetentionSchedulerTests
     // Строит DI-провайдер теста: три фейк-хранилища в scope прохода.
     // audit: Фейк-хранилище аудита (записи посеяны сценарием).
     // limits: Фейк-хранилище лимитов (строки посеяны сценарием).
-    // counters: Фейк-хранилище счётчиков (окна посеяны сценарием).
+    // counters: Хелпер счётчиков (окна посеяны сценарием).
     // Возвращает: Провайдер с сервисами цикла.
     private static ServiceProvider BuildProvider(
         FakeAuditLogStore audit,
         FakeTenantLimitStore limits,
-        FakeRateLimitCounterStore counters)
+        TestRateLimitCounterStore counters)
     {
         var services = new ServiceCollection();
         services.AddScoped<IAuditLogStore>(_ => audit);
         services.AddScoped<ITenantLimitStore>(_ => limits);
-        services.AddScoped<IRateLimitCounterStore>(_ => counters);
+        services.AddScoped<IRateLimitCounterStore>(_ => counters.Store);
         return services.BuildServiceProvider();
     }
 
diff --git a/src/core/tests/Deal.Tests.Unit/Api/LoginAttemptGuardTests.cs b/src/core/tests/Deal.Tests.Unit/Api/LoginAttemptGuardTests.cs
index d8ef381..273c6e4 100644
--- a/src/core/tests/Deal.Tests.Unit/Api/LoginAttemptGuardTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Api/LoginAttemptGuardTests.cs
@@ -1,6 +1,7 @@
 using Deal.Api.Configuration;
 using Deal.Api.Services;
 using Deal.Tests.Unit.Modules.Tenants;
+using Deal.Tests.Unit.Support;
 
 namespace Deal.Tests.Unit.Api;
 
@@ -165,7 +166,7 @@ public sealed class LoginAttemptGuardTests
     [Fact]
     public async Task DisabledByDefaultInDev_DoesNotCountOrBlock()
     {
-        var guard = new LoginAttemptGuard(new RateLimitOptions(), new FakeRateLimitCounterStore());
+        var guard = new LoginAttemptGuard(new RateLimitOptions(), new TestRateLimitCounterStore().Store);
 
         for (int attempt = 0; attempt < 10; attempt++)
         {
@@ -199,6 +200,6 @@ public sealed class LoginAttemptGuardTests
     private static LoginAttemptGuard NewGuard(Func<DateTimeOffset> clock) =>
         new(
             new RateLimitOptions { Enabled = true },
-            new FakeRateLimitCounterStore(),
+            new TestRateLimitCounterStore().Store,
             clock);
 }
diff --git a/src/core/tests/Deal.Tests.Unit/Infrastructure/TenantSchemaMigrationServiceTests.cs b/src/core/tests/Deal.Tests.Unit/Infrastructure/TenantSchemaMigrationServiceTests.cs
index 4881ecf..a1144b7 100644
--- a/src/core/tests/Deal.Tests.Unit/Infrastructure/TenantSchemaMigrationServiceTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Infrastructure/TenantSchemaMigrationServiceTests.cs
@@ -1,5 +1,6 @@
 using Deal.Infrastructure.Tenancy;
 using Deal.Modules.Tenants.Application.Abstractions;
+using Deal.Tests.Unit.Support;
 using Deal.Modules.Tenants.Application.Models;
 using Deal.Tests.Unit.Modules.Tenants;
 using Microsoft.Extensions.Logging.Abstractions;
@@ -20,7 +21,7 @@ public sealed class TenantSchemaMigrationServiceTests
     [Fact]
     public async Task MigrateAllAsync_EmptyRegistry_ReturnsEmptySummary()
     {
-        var service = NewService(new FakeTenantRepository(), new FakeTenantProvisioner());
+        var service = NewService(new FakeTenantRepository(), new TestTenantProvisioner().Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(CancellationToken.None);
 
@@ -33,11 +34,11 @@ public sealed class TenantSchemaMigrationServiceTests
     [Fact]
     public async Task MigrateAllAsync_ProvisionsEveryTenantSchema()
     {
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var repository = new FakeTenantRepository(
             TenantRecord(TenantA, "A"),
             TenantRecord(TenantB, "B"));
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(CancellationToken.None);
 
@@ -54,11 +55,11 @@ public sealed class TenantSchemaMigrationServiceTests
     public async Task MigrateAllAsync_OneSchemaFails_ContinuesAndReportsFailed()
     {
         string failingSchema = $"tenant_{TenantA:N}";
-        var provisioner = new FailingTenantProvisioner(failingSchema);
+        var provisioner = new TestTenantProvisioner(failingSchema);
         var repository = new FakeTenantRepository(
             TenantRecord(TenantA, "A"),
             TenantRecord(TenantB, "B"));
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(CancellationToken.None);
 
@@ -74,9 +75,9 @@ public sealed class TenantSchemaMigrationServiceTests
     [Fact]
     public async Task MigrateAllAsync_MultiplePages_ReadsEveryTenant()
     {
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var repository = new FakeTenantRepository(Records(5));
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(4, 2, CancellationToken.None);
 
@@ -95,9 +96,9 @@ public sealed class TenantSchemaMigrationServiceTests
     [Fact]
     public async Task MigrateAllAsync_PageSizeOne_ReadsEveryTenant()
     {
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var repository = new FakeTenantRepository(Records(4));
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(2, 1, CancellationToken.None);
 
@@ -116,9 +117,9 @@ public sealed class TenantSchemaMigrationServiceTests
     {
         TenantRecordDto[] records = Records(3);
         string failingSchema = $"tenant_{records[0].Id:N}";
-        var provisioner = new FailingTenantProvisioner(failingSchema);
+        var provisioner = new TestTenantProvisioner(failingSchema);
         var repository = new FakeTenantRepository(records);
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(1, 2, CancellationToken.None);
 
@@ -134,9 +135,9 @@ public sealed class TenantSchemaMigrationServiceTests
     [Fact]
     public async Task MigrateAllAsync_NonPositiveParameters_ClampToMinimum()
     {
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var repository = new FakeTenantRepository(Records(3));
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(0, 0, CancellationToken.None);
 
@@ -150,11 +151,11 @@ public sealed class TenantSchemaMigrationServiceTests
     [Fact]
     public async Task MigrateAllAsync_WithExplicitParallelism_ProvisionsEveryTenant()
     {
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var repository = new FakeTenantRepository(
             TenantRecord(TenantA, "A"),
             TenantRecord(TenantB, "B"));
-        var service = NewService(repository, provisioner);
+        var service = NewService(repository, provisioner.Provisioner);
 
         TenantMigrationSummary summary = await service.MigrateAllAsync(2, CancellationToken.None);
 
diff --git a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FailingTenantProvisioner.cs b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FailingTenantProvisioner.cs
deleted file mode 100644
index ba12abf..0000000
--- a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FailingTenantProvisioner.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-using Deal.Modules.Tenants.Application.Abstractions;
-using Deal.SharedKernel.Tenants.Models;
-
-namespace Deal.Tests.Unit.Modules.Tenants;
-
-/// <summary>
-/// In-memory реализация <see cref="ITenantProvisioner"/> для тестов пакетной миграции
-/// </summary>
-public sealed class FailingTenantProvisioner : ITenantProvisioner
-{
-    private readonly HashSet<string> _failingSchemaNames;
-    private readonly List<string> _provisionedSchemaNames = [];
-    private readonly object _gate = new();
-
-    /// <summary>
-    /// Создаёт провижинер, роняющий провижининг указанных схем.
-    /// </summary>
-    /// <param name="failingSchemaNames">Имена схем (tenant_&lt;id&gt), провижининг которых бросает исключение.</param>
-    public FailingTenantProvisioner(params string[] failingSchemaNames)
-    {
-        _failingSchemaNames = new HashSet<string>(failingSchemaNames, StringComparer.Ordinal);
-    }
-
-    /// <summary>
-    /// Имена успешно провижиненных схем в порядке вызовов.
-    /// </summary>
-    public IReadOnlyList<string> ProvisionedSchemaNames
-    {
-        get
-        {
-            lock (_gate)
-            {
-                return _provisionedSchemaNames.ToArray();
-            }
-        }
-    }
-
-    /// <inheritdoc />
-    public Task ProvisionAsync(TenantId tenantId, CancellationToken ct)
-    {
-        if (_failingSchemaNames.Contains(tenantId.SchemaName))
-        {
-            throw new InvalidOperationException($"Тест: схема {tenantId.SchemaName} недоступна");
-        }
-
-        lock (_gate)
-        {
-            _provisionedSchemaNames.Add(tenantId.SchemaName);
-        }
-
-        return Task.CompletedTask;
-    }
-}
diff --git a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FakeRateLimitCounterStore.cs b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FakeRateLimitCounterStore.cs
deleted file mode 100644
index a7baf02..0000000
--- a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FakeRateLimitCounterStore.cs
+++ /dev/null
@@ -1,73 +0,0 @@
-using Deal.Modules.Tenants.Application.Abstractions;
-
-namespace Deal.Tests.Unit.Modules.Tenants;
-
-/// <summary>
-/// In-memory реализация <see cref="IRateLimitCounterStore"/> для юнит/HTTP-тестов
-/// </summary>
-public sealed class FakeRateLimitCounterStore : IRateLimitCounterStore
-{
-    private sealed class Row
-    {
-        public DateTimeOffset WindowStart { get; set; }
-
-        public DateTimeOffset ExpiresAt { get; set; }
-
-        public int Count { get; set; }
-    }
-
-    private readonly Dictionary<string, Row> _rows = new();
-
-    /// <inheritdoc />
-    public Task<int> IncrementAsync(
-        string key,
-        DateTimeOffset windowStart,
-        DateTimeOffset windowEnd,
-        int amount,
-        CancellationToken ct)
-    {
-        if (!_rows.TryGetValue(key, out Row? row) || row.WindowStart != windowStart)
-        {
-            row = new Row { WindowStart = windowStart, ExpiresAt = windowEnd, Count = amount };
-            _rows[key] = row;
-        }
-        else
-        {
-            row.Count += amount;
-            row.ExpiresAt = windowEnd;
-        }
-
-        return Task.FromResult(row.Count);
-    }
-
-    /// <inheritdoc />
-    public Task<int> GetCountAsync(
-        string key,
-        DateTimeOffset windowStart,
-        CancellationToken ct)
-        => Task.FromResult(_rows.TryGetValue(key, out Row? row) && row.WindowStart == windowStart ? row.Count : 0);
-
-    /// <inheritdoc />
-    public Task ResetAsync(string key, CancellationToken ct)
-    {
-        _rows.Remove(key);
-        return Task.CompletedTask;
-    }
-
-    /// <inheritdoc />
-    public Task<int> DeleteExpiredAsync(DateTimeOffset now, CancellationToken ct)
-    {
-        List<string> expired = _rows.Where(pair => pair.Value.ExpiresAt < now).Select(pair => pair.Key).ToList();
-        foreach (string key in expired)
-        {
-            _rows.Remove(key);
-        }
-
-        return Task.FromResult(expired.Count);
-    }
-
-    /// <summary>
-    /// Число заведённых счётчиков
-    /// </summary>
-    public int Count => _rows.Count;
-}
diff --git a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FakeTenantProvisioner.cs b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FakeTenantProvisioner.cs
deleted file mode 100644
index d064d27..0000000
--- a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/FakeTenantProvisioner.cs
+++ /dev/null
@@ -1,38 +0,0 @@
-using Deal.Modules.Tenants.Application.Abstractions;
-using Deal.SharedKernel.Tenants.Models;
-
-namespace Deal.Tests.Unit.Modules.Tenants;
-
-/// <summary>
-/// In-memory реализация <see cref="ITenantProvisioner"/> для unit/HTTP-тестов join-потока
-/// </summary>
-public sealed class FakeTenantProvisioner : ITenantProvisioner
-{
-    private readonly List<string> _provisionedSchemaNames = [];
-    private readonly object _gate = new();
-
-    /// <summary>
-    /// Имена провижиненных схем
-    /// </summary>
-    public IReadOnlyList<string> ProvisionedSchemaNames
-    {
-        get
-        {
-            lock (_gate)
-            {
-                return _provisionedSchemaNames.ToArray();
-            }
-        }
-    }
-
-    /// <inheritdoc />
-    public Task ProvisionAsync(TenantId tenantId, CancellationToken ct)
-    {
-        lock (_gate)
-        {
-            _provisionedSchemaNames.Add(tenantId.SchemaName);
-        }
-
-        return Task.CompletedTask;
-    }
-}
diff --git a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/JoinFlowTests.cs b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/JoinFlowTests.cs
index 32a31b4..848f194 100644
--- a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/JoinFlowTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/JoinFlowTests.cs
@@ -27,11 +27,11 @@ public sealed class JoinFlowTests
     {
         var inviteStore = new FakeInviteStore();
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
         var passwordHasher = TestHashers.New();
-        var service = NewService(inviteStore, tenantStore, provisioner, authStore, passwordHasher);
+        var service = NewService(inviteStore, tenantStore, provisioner.Provisioner, authStore, passwordHasher);
 
         // Email с регистром/пробелами нормализуется и совпадает с инвайтом; name задаёт имя нового тенанта.
         var result = await service.ActivateAsync(Code, "  NEW-USER@Example.COM ", "Acme", Password, CancellationToken.None);
@@ -70,7 +70,7 @@ public sealed class JoinFlowTests
         var inviteStore = new FakeInviteStore();
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
         var tenantStore = new FakeTenantStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), new FakeAuthStore(), TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, new FakeAuthStore(), TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: "   ", Password, CancellationToken.None);
 
@@ -84,11 +84,11 @@ public sealed class JoinFlowTests
         var tenantId = Guid.NewGuid();
         var inviteStore = new FakeInviteStore();
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: tenantId));
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         // Активный тенант уже существует (создан оператором ранее) — join присоединяется к нему.
         var tenantStore = new FakeTenantStore(new TenantRecordDto(tenantId, "Existing", TenantStatuses.Active, DateTimeOffset.UtcNow));
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, provisioner, authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, provisioner.Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -109,7 +109,7 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: tenantId));
         var tenantStore = new FakeTenantStore(); // целевого тенанта в реестре нет — «битый» инвайт
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -127,7 +127,7 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: tenantId));
         var tenantStore = new FakeTenantStore(new TenantRecordDto(tenantId, "Suspended", TenantStatuses.Suspended, DateTimeOffset.UtcNow));
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -143,7 +143,7 @@ public sealed class JoinFlowTests
         var inviteStore = new FakeInviteStore();
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(WrongCode, Email, name: null, Password, CancellationToken.None);
 
@@ -160,7 +160,7 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null, expiresAt: DateTimeOffset.UtcNow.AddHours(-1)));
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -176,7 +176,7 @@ public sealed class JoinFlowTests
     {
         var inviteStore = new FakeInviteStore();
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null, status: InviteStatuses.Activated));
-        var service = NewService(inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), new FakeAuthStore(), TestHashers.New());
+        var service = NewService(inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, new FakeAuthStore(), TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -189,7 +189,7 @@ public sealed class JoinFlowTests
     {
         var inviteStore = new FakeInviteStore();
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null, status: InviteStatuses.Revoked));
-        var service = NewService(inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), new FakeAuthStore(), TestHashers.New());
+        var service = NewService(inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, new FakeAuthStore(), TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -204,7 +204,7 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, OtherEmail, name: null, Password, CancellationToken.None);
 
@@ -223,8 +223,8 @@ public sealed class JoinFlowTests
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
         authStore.AddUser(new StoredUserDto(Guid.NewGuid(), Email, TenantId: Guid.NewGuid(), Status: StatusActive, "hash"));
-        var provisioner = new FakeTenantProvisioner();
-        var service = NewService(inviteStore, tenantStore, provisioner, authStore, TestHashers.New());
+        var provisioner = new TestTenantProvisioner();
+        var service = NewService(inviteStore, tenantStore, provisioner.Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -249,7 +249,7 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, new FakeTenantProvisioner(), authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, new TestTenantProvisioner().Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, password, CancellationToken.None);
 
@@ -265,10 +265,10 @@ public sealed class JoinFlowTests
     {
         var inviteStore = new FakeInviteStore();
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var service = NewService(inviteStore, tenantStore, provisioner, authStore, TestHashers.New());
+        var service = NewService(inviteStore, tenantStore, provisioner.Provisioner, authStore, TestHashers.New());
 
         JoinResultDto first = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
         JoinResultDto second = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
@@ -288,8 +288,8 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var provisioner = new FakeTenantProvisioner();
-        var service = NewService(inviteStore, tenantStore, provisioner, authStore, TestHashers.New());
+        var provisioner = new TestTenantProvisioner();
+        var service = NewService(inviteStore, tenantStore, provisioner.Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -310,8 +310,8 @@ public sealed class JoinFlowTests
         inviteStore.AddInvite(NewInvite(Code, Email, tenantId: null));
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
-        var provisioner = new FakeTenantProvisioner();
-        var service = NewService(inviteStore, tenantStore, provisioner, authStore, TestHashers.New());
+        var provisioner = new TestTenantProvisioner();
+        var service = NewService(inviteStore, tenantStore, provisioner.Provisioner, authStore, TestHashers.New());
 
         var result = await service.ActivateAsync(Code, Email, name: null, Password, CancellationToken.None);
 
@@ -355,7 +355,7 @@ public sealed class JoinFlowTests
     private static JoinService NewService(
         FakeInviteStore inviteStore,
         FakeTenantStore tenantStore,
-        FakeTenantProvisioner provisioner,
+        ITenantProvisioner provisioner,
         FakeAuthStore authStore,
         IPasswordHasher passwordHasher) =>
         new(
diff --git a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/TenantAdminServiceTests.cs b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/TenantAdminServiceTests.cs
index 69e1590..3259d39 100644
--- a/src/core/tests/Deal.Tests.Unit/Modules/Tenants/TenantAdminServiceTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Modules/Tenants/TenantAdminServiceTests.cs
@@ -17,7 +17,7 @@ public sealed class TenantAdminServiceTests
     public async Task CreateAsync_WithName_CreatesTenantAndProvisionsSchema()
     {
         var tenantStore = new FakeTenantStore();
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var service = NewService(tenantStore, new FakeAuthStore(), provisioner);
 
         TenantCreateResultDto result = await service.CreateAsync("  Новый тенант  ", email: null, CancellationToken.None);
@@ -44,7 +44,7 @@ public sealed class TenantAdminServiceTests
         var tenantStore = new FakeTenantStore();
         var authStore = new FakeAuthStore();
         var hasher = TestHashers.New();
-        var service = NewService(tenantStore, authStore, new FakeTenantProvisioner(), hasher);
+        var service = NewService(tenantStore, authStore, new TestTenantProvisioner(), hasher);
 
         TenantCreateResultDto result = await service.CreateAsync("Тенант с владельцем", " Owner@Example.COM ", CancellationToken.None);
 
@@ -200,10 +200,10 @@ public sealed class TenantAdminServiceTests
     private static TenantAdminService NewService(
         FakeTenantStore tenantStore,
         FakeAuthStore authStore,
-        FakeTenantProvisioner? provisioner = null,
+        TestTenantProvisioner? provisioner = null,
         IPasswordHasher? hasher = null)
     {
-        var tenantService = new TenantService(tenantStore, provisioner ?? new FakeTenantProvisioner());
+        var tenantService = new TenantService(tenantStore, provisioner?.Provisioner ?? new TestTenantProvisioner().Provisioner);
         return new TenantAdminService(tenantStore, authStore, tenantService, hasher ?? TestHashers.New());
     }
 
diff --git a/src/core/tests/Deal.Tests.Unit/Support/JoinEndpointHttpTests.cs b/src/core/tests/Deal.Tests.Unit/Support/JoinEndpointHttpTests.cs
index 9fed20c..94b5b55 100644
--- a/src/core/tests/Deal.Tests.Unit/Support/JoinEndpointHttpTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Support/JoinEndpointHttpTests.cs
@@ -39,11 +39,11 @@ public sealed class JoinEndpointHttpTests
         inviteStore.AddInvite(NewInvite(Email));
         var authStore = new FakeAuthStore();
         var tenantStore = new FakeTenantStore();
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var auditStore = new FakeAuditLogStore();
 
         await RunAsync(
-            inviteStore, tenantStore, provisioner, authStore, auditStore,
+            inviteStore, tenantStore, provisioner.Provisioner, authStore, auditStore,
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -83,7 +83,7 @@ public sealed class JoinEndpointHttpTests
         var authStore = new FakeAuthStore();
 
         await RunAsync(
-            inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), authStore, new FakeAuditLogStore(),
+            inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, authStore, new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using (HttpResponseMessage first = await PostJsonAsync(
@@ -111,7 +111,7 @@ public sealed class JoinEndpointHttpTests
         var authStore = new FakeAuthStore();
 
         await RunAsync(
-            inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), authStore, new FakeAuditLogStore(),
+            inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, authStore, new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -132,7 +132,7 @@ public sealed class JoinEndpointHttpTests
         inviteStore.AddInvite(NewInvite(Email, status: InviteStatuses.Revoked));
 
         await RunAsync(
-            inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), new FakeAuthStore(), new FakeAuditLogStore(),
+            inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, new FakeAuthStore(), new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -150,7 +150,7 @@ public sealed class JoinEndpointHttpTests
         inviteStore.AddInvite(NewInvite(Email, expiresAt: DateTimeOffset.UtcNow.AddHours(-1)));
 
         await RunAsync(
-            inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), new FakeAuthStore(), new FakeAuditLogStore(),
+            inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, new FakeAuthStore(), new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -165,7 +165,7 @@ public sealed class JoinEndpointHttpTests
     public async Task Join_WithUnknownCode_Returns400NotFound()
     {
         await RunAsync(
-            new FakeInviteStore(), new FakeTenantStore(), new FakeTenantProvisioner(), new FakeAuthStore(), new FakeAuditLogStore(),
+            new FakeInviteStore(), new FakeTenantStore(), new TestTenantProvisioner().Provisioner, new FakeAuthStore(), new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -183,7 +183,7 @@ public sealed class JoinEndpointHttpTests
         inviteStore.AddInvite(NewInvite(Email));
 
         await RunAsync(
-            inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), new FakeAuthStore(), new FakeAuditLogStore(),
+            inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, new FakeAuthStore(), new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -205,7 +205,7 @@ public sealed class JoinEndpointHttpTests
         authStore.AddUser(new StoredUserDto(Guid.NewGuid(), Email, TenantId: Guid.NewGuid(), Status: "active", "hash"));
 
         await RunAsync(
-            inviteStore, new FakeTenantStore(), new FakeTenantProvisioner(), authStore, new FakeAuditLogStore(),
+            inviteStore, new FakeTenantStore(), new TestTenantProvisioner().Provisioner, authStore, new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -227,11 +227,11 @@ public sealed class JoinEndpointHttpTests
         inviteStore.AddInvite(NewInvite(Email, tenantId: tenantId));
         // Активный тенант уже существует (создан оператором ранее) — join присоединяется к нему.
         var tenantStore = new FakeTenantStore(new TenantRecordDto(tenantId, "Existing", TenantStatuses.Active, DateTimeOffset.UtcNow));
-        var provisioner = new FakeTenantProvisioner();
+        var provisioner = new TestTenantProvisioner();
         var authStore = new FakeAuthStore();
 
         await RunAsync(
-            inviteStore, tenantStore, provisioner, authStore, new FakeAuditLogStore(),
+            inviteStore, tenantStore, provisioner.Provisioner, authStore, new FakeAuditLogStore(),
             async (baseAddress, client) =>
             {
                 using HttpResponseMessage response = await PostJsonAsync(
@@ -251,7 +251,7 @@ public sealed class JoinEndpointHttpTests
     private static async Task RunAsync(
         FakeInviteStore inviteStore,
         FakeTenantStore tenantStore,
-        FakeTenantProvisioner provisioner,
+        ITenantProvisioner provisioner,
         FakeAuthStore authStore,
         FakeAuditLogStore auditStore,
         Func<string, HttpClient, Task> scenario)
diff --git a/src/core/tests/Deal.Tests.Unit/Support/OperatorAuthHttpHost.cs b/src/core/tests/Deal.Tests.Unit/Support/OperatorAuthHttpHost.cs
index 52007b7..3c3932f 100644
--- a/src/core/tests/Deal.Tests.Unit/Support/OperatorAuthHttpHost.cs
+++ b/src/core/tests/Deal.Tests.Unit/Support/OperatorAuthHttpHost.cs
@@ -197,7 +197,7 @@ internal static class OperatorAuthHttpHost
         // Сервис глобальных ключей Telegram (операторские ручки /api/operator/settings/telegram-keys).
         builder.Services.AddScoped<TelegramKeysService>();
         builder.Services.AddSingleton<ITokenUsageEventStore>(effectiveTokenUsageStore);
-        builder.Services.AddSingleton<ITenantProvisioner, FakeTenantProvisioner>();
+        builder.Services.AddSingleton(_ => new TestTenantProvisioner().Provisioner);
         builder.Services.AddScoped<TenantSchemaMigrationService>();
         // Опции кук — по умолчанию (deal_session/deal_operator_session, без конфиг-секции в тесте).
         builder.Services.AddOptions<TenantCookieOptions>();
@@ -209,7 +209,7 @@ internal static class OperatorAuthHttpHost
         builder.Services.AddSingleton<ServiceHealthProbe>();
         builder.Services.AddSingleton<Deal.Api.Observability.RuntimeDepthsCollector>();
         builder.Services.AddSingleton(effectiveRateLimitOptions);
-        builder.Services.AddSingleton<IRateLimitCounterStore>(new FakeRateLimitCounterStore());
+        builder.Services.AddSingleton<IRateLimitCounterStore>(new TestRateLimitCounterStore().Store);
         builder.Services.AddScoped<LoginAttemptGuard>();
         builder.Services.AddScoped<SuspiciousActivityReporter>();
 
diff --git a/src/core/tests/Deal.Tests.Unit/Support/RateLimitHttpTests.cs b/src/core/tests/Deal.Tests.Unit/Support/RateLimitHttpTests.cs
index 7fcef96..d9e7e8c 100644
--- a/src/core/tests/Deal.Tests.Unit/Support/RateLimitHttpTests.cs
+++ b/src/core/tests/Deal.Tests.Unit/Support/RateLimitHttpTests.cs
@@ -161,7 +161,7 @@ public sealed class RateLimitHttpTests
 
         if (options.Enabled)
         {
-            builder.Services.AddSingleton<IRateLimitCounterStore>(new FakeRateLimitCounterStore());
+            builder.Services.AddSingleton<IRateLimitCounterStore>(new TestRateLimitCounterStore().Store);
             builder.Services.AddDealRateLimiter(options);
         }
 
diff --git a/src/core/tests/Deal.Tests.Unit/Support/TelegramIngressTestHost.cs b/src/core/tests/Deal.Tests.Unit/Support/TelegramIngressTestHost.cs
index ad47b31..f2efa76 100644
--- a/src/core/tests/Deal.Tests.Unit/Support/TelegramIngressTestHost.cs
+++ b/src/core/tests/Deal.Tests.Unit/Support/TelegramIngressTestHost.cs
@@ -88,7 +88,7 @@ internal static class TelegramIngressTestHost
             });
             if (rateLimitOptions is { Enabled: true })
             {
-                builder.Services.AddSingleton<IRateLimitCounterStore>(new FakeRateLimitCounterStore());
+                builder.Services.AddSingleton<IRateLimitCounterStore>(new TestRateLimitCounterStore().Store);
                 builder.Services.AddSingleton(provider =>
                     IngressRateLimitInterceptor.CreateLimiter(
                         provider.GetRequiredService<IServiceScopeFactory>(),
diff --git a/src/core/tests/Deal.Tests.Unit/Support/TestRateLimitCounterStore.cs b/src/core/tests/Deal.Tests.Unit/Support/TestRateLimitCounterStore.cs
new file mode 100644
index 0000000..1523b93
--- /dev/null
+++ b/src/core/tests/Deal.Tests.Unit/Support/TestRateLimitCounterStore.cs
@@ -0,0 +1,73 @@
+using Deal.Modules.Tenants.Application.Abstractions;
+using NSubstitute;
+
+namespace Deal.Tests.Unit.Support;
+
+/// <summary>
+/// Подставка <see cref="IRateLimitCounterStore"/> на словаре: сервисы получают NSubstitute-подставку
+/// (<see cref="Store"/>), окно счётчика сбрасывается при смене начала периода.
+/// </summary>
+public sealed class TestRateLimitCounterStore
+{
+    private sealed class Row
+    {
+        public DateTimeOffset WindowStart { get; set; }
+
+        public DateTimeOffset ExpiresAt { get; set; }
+
+        public int Count { get; set; }
+    }
+
+    private readonly Dictionary<string, Row> _rows = new();
+
+    /// <summary>
+    /// Подставка порта счётчиков (создаётся в конструкторе).
+    /// </summary>
+    public IRateLimitCounterStore Store { get; }
+
+    /// <summary>
+    /// Создаёт подставку с пустым словарём.
+    /// </summary>
+    public TestRateLimitCounterStore()
+    {
+        Store = Substitute.For<IRateLimitCounterStore>();
+        Store.IncrementAsync(Arg.Any<string>(), Arg.Any<DateTimeOffset>(), Arg.Any<DateTimeOffset>(), Arg.Any<int>(), Arg.Any<CancellationToken>())
+            .Returns(ci => Increment(ci.ArgAt<string>(0), ci.ArgAt<DateTimeOffset>(1), ci.ArgAt<DateTimeOffset>(2), ci.ArgAt<int>(3)));
+        Store.GetCountAsync(Arg.Any<string>(), Arg.Any<DateTimeOffset>(), Arg.Any<CancellationToken>())
+            .Returns(ci => GetCount(ci.ArgAt<string>(0), ci.ArgAt<DateTimeOffset>(1)));
+        Store.When(s => s.ResetAsync(Arg.Any<string>(), Arg.Any<CancellationToken>()))
+            .Do(ci => _rows.Remove(ci.ArgAt<string>(0)));
+        Store.DeleteExpiredAsync(Arg.Any<DateTimeOffset>(), Arg.Any<CancellationToken>())
+            .Returns(ci => DeleteExpired(ci.ArgAt<DateTimeOffset>(0)));
+    }
+
+    private int Increment(string key, DateTimeOffset windowStart, DateTimeOffset windowEnd, int amount)
+    {
+        if (!_rows.TryGetValue(key, out Row? row) || row.WindowStart != windowStart)
+        {
+            row = new Row { WindowStart = windowStart, ExpiresAt = windowEnd, Count = amount };
+            _rows[key] = row;
+        }
+        else
+        {
+            row.Count += amount;
+            row.ExpiresAt = windowEnd;
+        }
+
+        return row.Count;
+    }
+
+    private int GetCount(string key, DateTimeOffset windowStart)
+        => _rows.TryGetValue(key, out Row? row) && row.WindowStart == windowStart ? row.Count : 0;
+
+    private int DeleteExpired(DateTimeOffset now)
+    {
+        List<string> expired = _rows.Where(pair => pair.Value.ExpiresAt < now).Select(pair => pair.Key).ToList();
+        foreach (string key in expired)
+        {
+            _rows.Remove(key);
+        }
+
+        return expired.Count;
+    }
+}
diff --git a/src/core/tests/Deal.Tests.Unit/Support/TestTenantProvisioner.cs b/src/core/tests/Deal.Tests.Unit/Support/TestTenantProvisioner.cs
new file mode 100644
index 0000000..0beb90e
--- /dev/null
+++ b/src/core/tests/Deal.Tests.Unit/Support/TestTenantProvisioner.cs
@@ -0,0 +1,59 @@
+using Deal.Modules.Tenants.Application.Abstractions;
+using Deal.SharedKernel.Tenants.Models;
+using NSubstitute;
+
+namespace Deal.Tests.Unit.Support;
+
+/// <summary>
+/// Подставка <see cref="ITenantProvisioner"/> с журналом провижиненных схем: сервис получает
+/// NSubstitute-подставку (<see cref="Provisioner"/>), тесты проверяют журнал через свойства.
+/// </summary>
+public sealed class TestTenantProvisioner
+{
+    private readonly List<string> _provisionedSchemaNames = [];
+    private readonly HashSet<string> _failingSchemaNames;
+    private readonly object _gate = new();
+
+    /// <summary>
+    /// Подставка порта провижининга (создаётся в конструкторе).
+    /// </summary>
+    public ITenantProvisioner Provisioner { get; }
+
+    /// <summary>
+    /// Имена провижиненных схем
+    /// </summary>
+    public IReadOnlyList<string> ProvisionedSchemaNames
+    {
+        get
+        {
+            lock (_gate)
+            {
+                return _provisionedSchemaNames.ToArray();
+            }
+        }
+    }
+
+    /// <summary>
+    /// Создаёт подставку, записывающую схему каждого вызова.
+    /// </summary>
+    /// <param name="failingSchemaNames">Имена схем (tenant_&lt;id&gt;), провижининг которых бросает исключение.</param>
+    public TestTenantProvisioner(params string[] failingSchemaNames)
+    {
+        _failingSchemaNames = new HashSet<string>(failingSchemaNames, StringComparer.Ordinal);
+        Provisioner = Substitute.For<ITenantProvisioner>();
+        Provisioner.When(p => p.ProvisionAsync(Arg.Any<TenantId>(), Arg.Any<CancellationToken>()))
+            .Do(ci =>
+            {
+                string schemaName = ci.Arg<TenantId>().SchemaName;
+                lock (_gate)
+                {
+                    if (_failingSchemaNames.Contains(schemaName))
+                    {
+                        throw new InvalidOperationException($"Тестовый сбой провижининга схемы {schemaName}.");
+                    }
+
+                    _provisionedSchemaNames.Add(schemaName);
+                }
+            });
+    }
+}