Report a message if no jobs found for wait loop

Not an error, but surprising based on my testing.  None of my test
machines are fast enough to complete all the jobs without needing any
time for waiting.

src/test/java/hudson/plugins/git/GitStatusTest.java

@@ -91,6 +91,7 @@ public void waitForAllJobsToComplete() throws Exception {
         }
         RunList<Run> runList = allView.getBuilds();
         if (runList == null) {
+            Logger.getLogger(GitStatusTest.class.getName()).log(Level.INFO, "No waiting, no entries in the runList");
             return;
         }
         runList.forEach((Run run) -> {