def getExtensionString(self):
        pmceString = self.EXTENSION_NAME
        if self.acceptNoContextTakeover:
            pmceString += "; client_no_context_takeover"
        if self.requestNoContextTakeover:
            pmceString += "; server_no_context_takeover"
        return pmceString
Regression test for https://aeon.stsci.edu/ssb/trac/pyfits/ticket/201
dataset/ETHPy150Open crossbario/autobahn-python/autobahn/websocket/compress_snappy.py/PerMessageSnappyOffer.getExtensionString--crossover with--dataset/ETHPy150Open spacetelescope/PyFITS/pyfits/tests/test_table.py/TestTableFunctions.test_string_array_round_trip