end
assert_redirected_to user_path(target_user.display_name)
assert_equal "The string `no_such_role' is not a valid role.", flash[:error]
+
+ # Revoking administrator role from current user should fail
+ post :revoke, :params => { :display_name => administrator_user.display_name, :role => "administrator" }
+ assert_redirected_to user_path(administrator_user.display_name)
+ assert_equal "Cannot revoke administrator role from current user.", flash[:error]
end
end