Merge pull request #1 from simphony/silence-warning

Silence warning for resource leak

tests/docker/test_async_docker_client.py

@@ -1,4 +1,5 @@
 import os
+import warnings
 from tornado.testing import AsyncTestCase, gen_test
 
 from remoteappmanager.docker.async_docker_client import AsyncDockerClient
@@ -7,6 +8,22 @@
 
 
 class TestAsyncDockerClient(AsyncTestCase):
+    def setUp(self):
+        super().setUp()
+        # Due to a python requests design choice, we receive a warning about
+        # leaking connection. This is expected and pretty much out of our
+        # authority but it can be annoying in tests, hence we suppress the
+        # warning. See issue simphony-remote/10
+        warnings.filterwarnings(action="ignore",
+                                message="unclosed",
+                                category=ResourceWarning)
+
+    def tearDown(self):
+        super().tearDown()
+        warnings.filterwarnings(action="default",
+                                message="unclosed",
+                                category=ResourceWarning)
+
     @gen_test
     def test_info(self):
         client = AsyncDockerClient()