Correct comments in requirement test cases

The comments were misleading which led to a lot of head scratching. This
corrects the comments to reflect the realities of the test.

Change-Id: Ifaeca2968438d521adbc589f60d36193f9946e01
diff --git a/tests/test_requirements.py b/tests/test_requirements.py
index 3ae56ad..81814bf 100644
--- a/tests/test_requirements.py
+++ b/tests/test_requirements.py
@@ -245,7 +245,7 @@
         self.assertEqual(len(self.history), 1)
         self.assertEqual(self.history[0].name, job)
 
-        # A +2 should allow it to be enqueued
+        # A +2 from nobody should not cause it to be enqueued
         B = self.fake_gerrit.addFakeChange(project, 'master', 'B')
         # A comment event that we will keep submitting to trigger
         comment = B.addApproval('CRVW', 2, username='nobody')
@@ -253,6 +253,7 @@
         self.waitUntilSettled()
         self.assertEqual(len(self.history), 1)
 
+        # A +2 from jenkins should allow it to be enqueued
         B.addApproval('VRFY', 2, username='jenkins')
         self.fake_gerrit.addEvent(comment)
         self.waitUntilSettled()