added stdout to error statement

Author: esecules

test/ServerTest.py

@@ -25,4 +25,4 @@ def test_request(self):
     stdout, _ = serverProc.communicate()
 
     self.assertEqual(0, status, "Server exited with nonzero status: %s" % status)
-    self.assertEqual(test_data, stdout, "server didnt return fake oauth verifier!")
+    self.assertEqual(test_data, stdout, "server didnt return fake oauth verifier, instead: '%s'" % stdout)