public async Task GetRoles_ValidMember_HappyPath() { //arrange _repositoryMock.WithSuccesfulGetRoleNameCannotRent(); var member = MemberTestUtils.GenerateValidMember(); //act var result = await _facade.GetRolesAsync(member); //assert _repositoryMock.Verify(x => x.GetRoleName(It.IsAny <Member>()), Times.Once); Assert.IsNotNull(result); }