Bug 1561889 - Ignore percentage values from youtube-playback-tests r=…

…whimboo

Differential Revision: https://phabricator.services.mozilla.com/D36208

--HG--
extra : moz-landing-system : lando

testing/raptor/raptor/output.py

@@ -765,7 +765,8 @@ def create_subtest_entry(name, value,
         for name in names:
             _subtests[name]['value'] = round(filters.median(_subtests[name]['replicates']), 2)
             subtests.append(_subtests[name])
-            if name.endswith("dropped_frames"):
+            # only include dropped_frames values, without the %_dropped_frames values
+            if name.endswith("X_dropped_frames"):
                 vals.append([_subtests[name]['value'], name])
 
         return subtests, vals