convert docstrings to comments

Convert docstrings to comments so that it's easier
to track down what tests are running under nose

Change-Id: Iab2c303a54983700c7ab25437c8324b95b341754
diff --git a/tempest/tests/compute/volumes/test_attach_volume.py b/tempest/tests/compute/volumes/test_attach_volume.py
index 09b146b..9581026 100644
--- a/tempest/tests/compute/volumes/test_attach_volume.py
+++ b/tempest/tests/compute/volumes/test_attach_volume.py
@@ -70,10 +70,8 @@
     @attr(type='positive')
     @unittest.skipIf(not run_ssh, 'SSH required for this test')
     def test_attach_detach_volume(self):
-        """
-        Stop and Start a server with an attached volume, ensuring that
-        the volume remains attached.
-        """
+        # Stop and Start a server with an attached volume, ensuring that
+        # the volume remains attached.
         server, volume = self._create_and_attach()
 
         attached = True