Test tweaks (#11560)

* Fix is_allowed_path on OS X

* Move APNS2 inside func in test

tests/components/notify/test_apns.py

@@ -3,7 +3,6 @@ import io
 import unittest
 from unittest.mock import Mock, patch, mock_open
 
-from apns2.errors import Unregistered
 import yaml
 
 import homeassistant.components.notify as notify
@@ -359,6 +358,8 @@ class TestApns(unittest.TestCase):
     @patch('homeassistant.components.notify.apns._write_device')
     def test_disable_when_unregistered(self, mock_write, mock_client):
         """Test disabling a device when it is unregistered."""
+        from apns2.errors import Unregistered
+
         send = mock_client.return_value.send_notification
         send.side_effect = Unregistered()
 

tests/test_core.py

@@ -797,8 +797,10 @@ class TestConfig(unittest.TestCase):
     def test_is_allowed_path(self):
         """Test is_allowed_path method."""
         with TemporaryDirectory() as tmp_dir:
+            # The created dir is in /tmp. This is a symlink on OS X
+            # causing this test to fail unless we resolve path first.
             self.config.whitelist_external_dirs = set((
-                tmp_dir,
+                os.path.realpath(tmp_dir),
             ))
 
             test_file = os.path.join(tmp_dir, "test.jpg")