Fix missing Squidex.Infrastructure using in test fixtures

backend/tests/Squidex.Data.Tests/EntityFramework/TestHelpers/MySqlFixture.cs

@@ -11,6 +11,7 @@ using Microsoft.Extensions.DependencyInjection;
 using PhenX.EntityFrameworkCore.BulkInsert.MySql;
 using Squidex.Domain.Apps.Core.TestHelpers;
 using Squidex.Hosting;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Migrations;
 using Squidex.Providers.MySql;
 using Squidex.Providers.MySql.Content;

backend/tests/Squidex.Data.Tests/EntityFramework/TestHelpers/PostgresFixture.cs

@@ -11,6 +11,7 @@ using Microsoft.Extensions.DependencyInjection;
 using PhenX.EntityFrameworkCore.BulkInsert.PostgreSql;
 using Squidex.Domain.Apps.Core.TestHelpers;
 using Squidex.Hosting;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Migrations;
 using Squidex.Providers.Postgres;
 using Squidex.Providers.Postgres.Content;

backend/tests/Squidex.Data.Tests/EntityFramework/TestHelpers/SqlServerFixture.cs

@@ -12,6 +12,7 @@ using Microsoft.Extensions.DependencyInjection;
 using PhenX.EntityFrameworkCore.BulkInsert.SqlServer;
 using Squidex.Domain.Apps.Core.TestHelpers;
 using Squidex.Hosting;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Migrations;
 using Squidex.Providers.SqlServer;
 using Squidex.Providers.SqlServer.Content;