Modified the tests

python/test_unityagents.py

 def test_initialialization():
     with mock.patch('subprocess.Popen') as mock_subproc_popen:
         with mock.patch('socket.socket') as mock_socket:
-            mock_socket.return_value.accept.return_value = (mock_socket, 0)
-            mock_socket.recv.return_value.decode.return_value = dummy_start
-            env = UnityEnvironment(' ')
-            with pytest.raises(UnityActionException):
-                env.step([0])
-            assert env.brain_names[0] == 'RealFakeBrain'
-            env.close()
+            with mock.patch('glob.glob') as mock_glob:
+                mock_glob.return_value = ['FakeLaunchPath']
+                mock_socket.return_value.accept.return_value = (mock_socket, 0)
+                mock_socket.recv.return_value.decode.return_value = dummy_start
+                env = UnityEnvironment(' ')
+                with pytest.raises(UnityActionException):
+                    env.step([0])
+                assert env.brain_names[0] == 'RealFakeBrain'
+                env.close()
-            mock_socket.return_value.accept.return_value = (mock_socket, 0)
-            mock_socket.recv.return_value.decode.return_value = dummy_start
-            env = UnityEnvironment(' ')
-            brain = env.brains['RealFakeBrain']
-            mock_socket.recv.side_effect = dummy_reset 
-            brain_info = env.reset()
-            env.close()
-            assert not env.global_done
-            assert isinstance(brain_info, dict)
-            assert isinstance(brain_info['RealFakeBrain'], BrainInfo)
-            assert isinstance(brain_info['RealFakeBrain'].observations, list) 
-            assert isinstance(brain_info['RealFakeBrain'].states, np.ndarray)
-            assert len(brain_info['RealFakeBrain'].observations) == brain.number_observations
-            assert brain_info['RealFakeBrain'].states.shape[0] == len(brain_info['RealFakeBrain'].agents)
-            assert brain_info['RealFakeBrain'].states.shape[1] == brain.state_space_size 
+            with mock.patch('glob.glob') as mock_glob:
+                mock_glob.return_value = ['FakeLaunchPath']
+                mock_socket.return_value.accept.return_value = (mock_socket, 0)
+                mock_socket.recv.return_value.decode.return_value = dummy_start
+                env = UnityEnvironment(' ')
+                brain = env.brains['RealFakeBrain']
+                mock_socket.recv.side_effect = dummy_reset 
+                brain_info = env.reset()
+                env.close()
+                assert not env.global_done
+                assert isinstance(brain_info, dict)
+                assert isinstance(brain_info['RealFakeBrain'], BrainInfo)
+                assert isinstance(brain_info['RealFakeBrain'].observations, list) 
+                assert isinstance(brain_info['RealFakeBrain'].states, np.ndarray)
+                assert len(brain_info['RealFakeBrain'].observations) == brain.number_observations
+                assert brain_info['RealFakeBrain'].states.shape[0] == len(brain_info['RealFakeBrain'].agents)
+                assert brain_info['RealFakeBrain'].states.shape[1] == brain.state_space_size 
-            mock_socket.return_value.accept.return_value = (mock_socket, 0)
-            mock_socket.recv.return_value.decode.return_value = dummy_start
-            env = UnityEnvironment(' ')
-            brain = env.brains['RealFakeBrain']
-            mock_socket.recv.side_effect = dummy_reset 
-            brain_info = env.reset()
-            mock_socket.recv.side_effect = dummy_step
-            brain_info = env.step([0] * brain.action_space_size * len(brain_info['RealFakeBrain'].agents))
-            with pytest.raises(UnityActionException):
-                env.step([0])
-            brain_info = env.step([0] * brain.action_space_size * len(brain_info['RealFakeBrain'].agents))
-            with pytest.raises(UnityActionException):
-                env.step([0] * brain.action_space_size * len(brain_info['RealFakeBrain'].agents))
-            env.close()
-            assert env.global_done
-            assert isinstance(brain_info, dict)
-            assert isinstance(brain_info['RealFakeBrain'], BrainInfo)
-            assert isinstance(brain_info['RealFakeBrain'].observations, list) 
-            assert isinstance(brain_info['RealFakeBrain'].states, np.ndarray)
-            assert len(brain_info['RealFakeBrain'].observations) == brain.number_observations
-            assert brain_info['RealFakeBrain'].states.shape[0] == len(brain_info['RealFakeBrain'].agents)
-            assert brain_info['RealFakeBrain'].states.shape[1] == brain.state_space_size
-            assert not brain_info['RealFakeBrain'].local_done[0]
-            assert brain_info['RealFakeBrain'].local_done[2]
+            with mock.patch('glob.glob') as mock_glob:
+                mock_glob.return_value = ['FakeLaunchPath']
+                mock_socket.return_value.accept.return_value = (mock_socket, 0)
+                mock_socket.recv.return_value.decode.return_value = dummy_start
+                env = UnityEnvironment(' ')
+                brain = env.brains['RealFakeBrain']
+                mock_socket.recv.side_effect = dummy_reset 
+                brain_info = env.reset()
+                mock_socket.recv.side_effect = dummy_step
+                brain_info = env.step([0] * brain.action_space_size * len(brain_info['RealFakeBrain'].agents))
+                with pytest.raises(UnityActionException):
+                    env.step([0])
+                brain_info = env.step([0] * brain.action_space_size * len(brain_info['RealFakeBrain'].agents))
+                with pytest.raises(UnityActionException):
+                    env.step([0] * brain.action_space_size * len(brain_info['RealFakeBrain'].agents))
+                env.close()
+                assert env.global_done
+                assert isinstance(brain_info, dict)
+                assert isinstance(brain_info['RealFakeBrain'], BrainInfo)
+                assert isinstance(brain_info['RealFakeBrain'].observations, list) 
+                assert isinstance(brain_info['RealFakeBrain'].states, np.ndarray)
+                assert len(brain_info['RealFakeBrain'].observations) == brain.number_observations
+                assert brain_info['RealFakeBrain'].states.shape[0] == len(brain_info['RealFakeBrain'].agents)
+                assert brain_info['RealFakeBrain'].states.shape[1] == brain.state_space_size
+                assert not brain_info['RealFakeBrain'].local_done[0]
+                assert brain_info['RealFakeBrain'].local_done[2]
 
 
 
         with mock.patch('socket.socket') as mock_socket:
-            mock_socket.return_value.accept.return_value = (mock_socket, 0)
-            mock_socket.recv.return_value.decode.return_value = dummy_start
-            env = UnityEnvironment(' ')
-            assert env._loaded
-            env.close()
-            assert not env._loaded
-            mock_socket.close.assert_called_once()
+            with mock.patch('glob.glob') as mock_glob:
+                mock_glob.return_value = ['FakeLaunchPath']
+                mock_socket.return_value.accept.return_value = (mock_socket, 0)
+                mock_socket.recv.return_value.decode.return_value = dummy_start
+                env = UnityEnvironment(' ')
+                assert env._loaded
+                env.close()
+                assert not env._loaded
+                mock_socket.close.assert_called_once()