public async Task When_GetCountryPhoneCodeByIdAsync_Called_Expect_DbCalled() { //Arrange var id = 1; _countryPhoneCodeRepositoryMock.Setup(x => x.GetById(id)); //Act var response = await _service.GetCountryPhoneCodeByIdAsync(id); //Assert _countryPhoneCodeRepositoryMock.Verify(x => x.GetById(id), Times.Once); }