fix output for 29d variation

Author: TheRazorace

test-cases/RMLTC0027d-JSON/output.nq

@@ -1,4 +1,4 @@
-<http://example.com/Bob> <http://example.com/amount> "30" .
-<http://example.com/Jones> <http://example.com/amount> "20" .
-<http://example.com/Smith> <http://example.com/amount> "30" .
-<http://example.com/Sue> <http://example.com/amount> "20" .
+<http://example2.com/Bob> <http://example.com/amount> "30" .
+<http://example2.com/Jones> <http://example.com/amount> "20" .
+<http://example2.com/Smith> <http://example.com/amount> "30" .
+<http://example2.com/Sue> <http://example.com/amount> "20" .