'Test that environment variables are passed through to
utils.kwargs_from_env(). KwargsFromEnvTest tests that environment
variables are parsed correctly.'

def test_from_env(self):

    os.environ.update(DOCKER_HOST='tcp://192.168.59.103:2376', DOCKER_CERT_PATH=TEST_CERT_DIR, DOCKER_TLS_VERIFY='1')
    client = docker.from_env()
    self.assertEqual(client.api.base_url, 'https://192.168.59.103:2376')
