public async Task Adding_user_claims_should_work()
{
var(_, userCreated) = await usersService.CreateUser(TestUser).UnpackSingleOrDefault();
var claimsToAdd = new Claim[] {
new Claim("testclaim2", "testvalue"),
new Claim("testclaim3", "testvalue")
};
var resultAdding1 = await usersService.AddClaimAsync(userCreated.Id, new Claim("testclaim1", "testvalue"));
var resultAdding2 = await usersService.AddClaimsAsync(userCreated.Id, claimsToAdd);
Assert.True(resultAdding1.Success);
Assert.True(resultAdding2.Success);
}