Two test failures on travis I can't reproduce.

src/greentest/known_failures.py

@@ -11,6 +11,7 @@ from greentest.sysinfo import RUNNING_ON_TRAVIS as TRAVIS
 from greentest.sysinfo import RUN_LEAKCHECKS as LEAKTEST
 from greentest.sysinfo import RUN_COVERAGE as COVERAGE
 from greentest.sysinfo import RESOLVER_NOT_SYSTEM
+from greentest.sysinfo import RESOLVER_DNSPYTHON
 
 from greentest.sysinfo import PYPY
 from greentest.sysinfo import PY3
@@ -157,6 +158,13 @@ if PYPY:
             'test__socket_dns.py',
         ]
 
+        if TRAVIS and RESOLVER_DNSPYTHON:
+            FAILING_TESTS += [
+                # This fails to get the correct results, sometimes. I can't reproduce locally
+                'FLAKY test__example_udp_server.py',
+                'FLAKY test__example_udp_client.py',
+            ]
+
     if PY3 and TRAVIS:
         FAILING_TESTS += [
             ## ---

src/greentest/test__example_udp_client.py

@@ -17,7 +17,7 @@ class Test_udp_client(TestCase):
         server = DatagramServer('127.0.0.1:9000', handle)
         server.start()
         try:
-            run([sys.executable, '-W', 'ignore' '-u', 'udp_client.py', 'Test_udp_client'],
+            run([sys.executable, '-W', 'ignore', '-u', 'udp_client.py', 'Test_udp_client'],
                 timeout=10, cwd='../../examples/')
         finally:
             server.close()