public async Task TestAddRoleAndTokenAsync()
{
//Arrange
var(mockSignInManager, mockUserManager, mockEmailConfirmation, mockEmailContentService, AuthService) = CreateAuthService();
mockUserManager
.Setup(s => s.FindByEmailAsync(It.IsAny <string>()))
.ReturnsAsync(GetTestUserWithAllFields());
mockUserManager
.Setup(s => s.GenerateEmailConfirmationTokenAsync(It.IsAny <User>()))
.ReturnsAsync(GetTestCodeForResetPasswordAndConfirmEmail());
var registerDTO = GetTestRegisterDto();
//Act
string token = await AuthService.AddRoleAndTokenAsync(registerDTO.Email);
//Assert
Assert.NotNull(token);
Assert.IsType <string>(token);
}