public static IEnumerable <TestResult> RunTests(int codedTestId, string output, long randomizer)
        {
            ICodedTest codedTest = CreateCodedTest(codedTestId);

            return(codedTest.RunTests(output, randomizer));
        }
        public static string GetInput(int codedTestId, long randomizer)
        {
            ICodedTest codedTest = CreateCodedTest(codedTestId);

            return(codedTest.GetInput(randomizer));
        }