Update dircondenser.py tool to update paths in test.json as well

Update dircondenser.py tool to update paths appearing in the expected
stdout in test.json when the containing directory is renamed.

tools/dircondenser.py

@@ -74,6 +74,10 @@ def condense(dirname: str):
             #print('git mv "%s" "%s"' % (old_name, new_name))
             subprocess.check_call(['git', 'mv', old_name, new_name])
             replacements.append((old_name, new_name))
+            # update any appearances of old_name in expected stdout in test.json
+            json = os.path.join(new_name, 'test.json')
+            if os.path.isfile(json):
+                replace_source(json, [(old_name, new_name)])
     os.chdir(curdir)
     replace_source('run_unittests.py', replacements)
     replace_source('run_project_tests.py', replacements)