print failure summary to cerr, like the rest of the messages

git-svn-id: https://zeitsenke.de/svn/SyncEvolution/trunk@231 15ad00c4-1369-45f4-8270-35d70d36bdcd

src/TestMain.cpp

@@ -89,7 +89,7 @@ public:
         if (m_allowedFailures.find(failure.failedTestName()) == m_allowedFailures.end()) {
             m_failed = true;
         } else {
-            cout << "failure ignored\n";
+            cerr << "failure ignored\n";
         }
     }