def test_suite():
    '''
    Construct a TestSuite instance for all test cases.
    '''
    suite = unittest.TestSuite()
    for datetimestring, expectation, format, output in TEST_CASES:
        suite.addTest(create_testcase(datetimestring, expectation,
                                      format, output))
    return suite

    Construct a TestSuite instance for all test cases.
    
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/isodate/tests/test_datetime.py