public MappingQuerySqliteFixture() { var serviceProvider = new ServiceCollection() .AddEntityFrameworkSqlite() .AddSingleton <ILoggerFactory>(TestSqlLoggerFactory) .BuildServiceProvider(validateScopes: true); _testDatabase = SqliteTestStore.GetNorthwindStore(); _options = new DbContextOptionsBuilder() .UseModel(CreateModel()) .UseSqlite( _testDatabase.ConnectionString, b => b.SuppressForeignKeyEnforcement()) .UseInternalServiceProvider(serviceProvider) .Options; }