diff -r 23b07333a8b2 -r bd77ac2bd23a tests/run-tests.py
--- a/tests/run-tests.py	Sun Jun 18 21:31:53 2017 -0400
+++ b/tests/run-tests.py	Sun Jun 18 22:19:54 2017 -0400
@@ -2010,6 +2010,7 @@
                     os.environ['PYTHONHASHSEED'])
             if self._runner.options.time:
                 self.printtimes(result.times)
+            self.stream.flush()
 
         return result