core: skip results checking when introspecting the command line

test.py

@@ -1998,7 +1998,4 @@ def main(argv):
     return run_tests()
 
 if __name__ == '__main__':
-    returncode = main(sys.argv)
-    if os.getenv("NS_COMMANDLINE_INTROSPECTION", None) is not None:
-        returncode = 0
-    sys.exit(returncode)
+    sys.exit(main(sys.argv))