Correct unicode escaping in test.
Correct unicode escaping in test.

yingerj/rdflib,RDFLib/rdflib,avorio/rdflib,RDFLib/rdflib,marma/rdflib,yingerj/rdflib,avorio/rdflib,armandobs14/rdflib,marma/rdflib,ssssam/rdflib,dbs/rdflib,ssssam/rdflib,yingerj/rdflib,RDFLib/rdflib,avorio/rdflib,avorio/rdflib,marma/rdflib,yingerj/rdflib,dbs/rdflib,armandobs14/rdflib,armandobs14/rdflib,ssssam/rdflib,RDFLib/rdflib,dbs/rdflib,armandobs14/rdflib,ssssam/rdflib,marma/rdflib,dbs/rdflib