public async Task When__UserStore_Add_Claim__Expect__Claim_Added()
{
Claim claim = new Claim("Delete Log", "Yes");
int userId = 1;
ApplicationUser user = await _userStore.FindByIdAsync(userId).ConfigureAwait(false);
Assert.That(user, Is.Not.Null, "User not found for claim");
await _userStore.AddClaimAsync(user, claim).ConfigureAwait(false);
_unitOfWork.SaveChanges();
IList <Claim> claims = await _userStore.GetClaimsAsync(user).ConfigureAwait(false);
Claim savedClaim = claims.Where(p =>
p.Type == claim.Type &&
p.Value == claim.Value).FirstOrDefault();
Assert.That(savedClaim, Is.Not.Null, "Claim not added");
}