public async Task AddClaimsAsync() { using (var uow = _unitOfWorkManager.Begin()) { var user = await _userRepository.FindByNormalizedUserNameAsync(_lookupNormalizer.Normalize("john.nash")); user.ShouldNotBeNull(); await _identityUserStore.AddClaimsAsync(user, new List <Claim>() { new Claim("MyClaimType", "MyClaimValue") }); user.Claims.ShouldContain(x => x.ClaimType == "MyClaimType" && x.ClaimValue == "MyClaimValue"); await uow.CompleteAsync(); } }