public void should_add_email_to_existing_claims_stored_in_token()
{
// given
var roleClaim = new Claim(ClaimTypes.Role, "Admin");
var existingClaims = new List <Claim>()
{
roleClaim
};
string email = "*****@*****.**";
// when
string token = _provider.CreateToken(existingClaims, email);
// then
token.ShouldNotBeNullOrEmpty();
_tokenHandler
.Received()
.CreateToken(Arg.Is <SecurityTokenDescriptor>(
x => x.Subject.Claims.Any(y => y.Type == roleClaim.Type && y.Value == roleClaim.Value) &&
x.Subject.Claims.Any(y => y.Type == ClaimTypes.Name && y.Value == email)));
}