public void ValidateUser_when_password_is_emptystring_throw_exception()
{
//arrange
var mut = new UserAdminService(_provider);
//act
var result = mut.ValidateUser("username", "");
//assert
//cleanup
}
public void ValidateUser_when_username_is_null_throw_exception()
{
//arrange
var mut = new UserAdminService(_provider);
//act
var result = mut.ValidateUser(null, "password");
//assert
//cleanup
}