Fix a bytestring test that was mis-written
Fix a bytestring test that was mis-written

sightmachine/jsonschema,Julian/jsonschema,wikimedia/operations-debs-python-jsonschema,eodolphi/jsonschema,varunarya10/jsonschema,dnephin/jsonschema,Julian/jsonschema,jamesmarva/jsonschema,python-jsonschema/jsonschema,eodolphi/jsonschema,mathewmarcus/jsonschema,wikimedia/operations-debs-python-jsonschema