Ignore errors from API about not being able to kill a container.

Signed-off-by: Daniel Nephin <[email protected]>

tests/integration/testcases.py

@@ -25,8 +25,7 @@ class DockerClientTestCase(unittest.TestCase):
         for c in self.client.containers(
                 all=True,
                 filters={'label': '%s=composetest' % LABEL_PROJECT}):
-            self.client.kill(c['Id'])
-            self.client.remove_container(c['Id'])
+            self.client.remove_container(c['Id'], force=True)
         for i in self.client.images(
                 filters={'label': 'com.docker.compose.test_image'}):
             self.client.remove_image(i)