message: [test] Restore cleanup behavior in TestQuoting.py
  Before the change to compile tests out-of-tree, the cleanup classmethod
  in TestQuoting.py would remove a temp file. After the change it threw an
  exception due to a malformed call to getBuildArtifact().
  Bring back the old behavior.
diff: @@ -22,7 +22,7 @@ class SettingsCommandTestCase(TestBase):
  @classmethod
  def classCleanup(cls):
  """Cleanup the test byproducts."""
  - cls.RemoveTempFile(self.getBuildArtifact("stdout.txt"))
  + cls.RemoveTempFile("stdout.txt")
  @no_debug_info_test
  def test_no_quote(self):
  