public void IsNotValidCsvCallApiFormat(string message) { var mockConfiguration = new Mock <IConfiguration>(); var dbOpt = new DbContextOptionsBuilder <AppDataContext>() .UseInMemoryDatabase(databaseName: "Add_writes_to_database") .Options; using (var ctx = new AppDataContext(dbOpt)) { var sut = new MessageBroker(new CsvBot(mockConfiguration.Object), new MessageRepository(ctx)); var okObjectResult = sut.CheckMessageFormat(message); Assert.False(okObjectResult.Status); } }