Merge pull request #3204 from sarahmarshy/patch-6

[Export build-test] Directory traversal error

Author: sg-

tools/test/examples/examples_lib.py

@@ -221,7 +221,7 @@ def status(message):
                         else:
                             status("SUCCESS building")
                             successes.append(example_name)
-                    os.chdir("..")
+                os.chdir("..")
 
                 if len(build_failures+export_failures) > 0:
                     pass_status= False