Merge "Tighten specificity of label score regex"

polygerrit-ui/app/elements/change/gr-message/gr-message.js

@@ -16,7 +16,7 @@
 
   const CI_LABELS = ['Trybot-Ready', 'Tryjob-Request', 'Commit-Queue'];
   const PATCH_SET_PREFIX_PATTERN = /^Patch Set \d+: /;
-  const LABEL_TITLE_SCORE_PATTERN = /([A-Za-z0-9-]+)([+-]\d+)/;
+  const LABEL_TITLE_SCORE_PATTERN = /^([A-Za-z0-9-]+)([+-]\d+)$/;
 
   Polymer({
     is: 'gr-message',

polygerrit-ui/app/elements/change/gr-message/gr-message_test.html

@@ -180,5 +180,14 @@ limitations under the License.
       };
       assert.isOk(Polymer.dom(element.root).querySelector('.positiveVote'));
     });
+
+    test('false negative vote', () => {
+      element.message = {
+        author: {},
+        expanded: false,
+        message: 'Patch Set 1: Cherry Picked from branch stable-2.14.',
+      };
+      assert.isNotOk(Polymer.dom(element.root).querySelector('.negativeVote'));
+    });
   });
 </script>