public async Task GetValue_NoParameters_ShouldReturnValue() { // Arrange var database = DatabaseFactory.CreateContext(); var mapper = MapperFactory.Create(); var simpleService = new SimpleService(database, mapper); database.TestModels.Add(new TestModel { Id = 1, Name = "value" }); database.SaveChanges(); // Act var result = await simpleService.GetValue(); // Assert Assert.Equal("value", result.Name); }