cros lint: fix func/class docstring checker

Recent pylint updates changed the name of the visit methods.
Update the names so we enforce docstring style on these again.

BUG=chromium:1015273
TEST=`cros lint` found broken styles

Change-Id: Ia6cf8fc72030ee7f93d94853829ae1b2312e1974
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/1913181
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Andrew Lamb <andrewlamb@chromium.org>
diff --git a/scripts/replication_util_unittest.py b/scripts/replication_util_unittest.py
index 62fe330..071af11 100644
--- a/scripts/replication_util_unittest.py
+++ b/scripts/replication_util_unittest.py
@@ -37,9 +37,7 @@
     osutils.WriteFile(self.audio_path, '[Speaker A Settings]')
 
   def testRun(self):
-    """Basic test of the 'run' command.
-
-    """
+    """Basic test of the 'run' command."""
     audio_dst_path = os.path.join(self.tempdir, 'dst', 'audio_file')
 
     replication_config = ReplicationConfig(file_replication_rules=[