Pytest tests (#17750)

* Convert core tests

* Convert component tests to use pytest assert

* Lint 🤷‍♂️

* Fix test

* Fix 3 typos in docs

tests/helpers/test_location.py

@@ -12,7 +12,7 @@ class TestHelpersLocation(unittest.TestCase):
     def test_has_location_with_invalid_states(self):
         """Set up the tests."""
         for state in (None, 1, "hello", object):
-            self.assertFalse(location.has_location(state))
+            assert not location.has_location(state)
 
     def test_has_location_with_states_with_invalid_locations(self):
         """Set up the tests."""
@@ -20,7 +20,7 @@ class TestHelpersLocation(unittest.TestCase):
             ATTR_LATITUDE: 'no number',
             ATTR_LONGITUDE: 123.12
         })
-        self.assertFalse(location.has_location(state))
+        assert not location.has_location(state)
 
     def test_has_location_with_states_with_valid_location(self):
         """Set up the tests."""
@@ -28,7 +28,7 @@ class TestHelpersLocation(unittest.TestCase):
             ATTR_LATITUDE: 123.12,
             ATTR_LONGITUDE: 123.12
         })
-        self.assertTrue(location.has_location(state))
+        assert location.has_location(state)
 
     def test_closest_with_no_states_with_location(self):
         """Set up the tests."""
@@ -41,8 +41,8 @@ class TestHelpersLocation(unittest.TestCase):
             ATTR_LONGITUDE: 123.45,
         })
 
-        self.assertIsNone(
-            location.closest(123.45, 123.45, [state, state2, state3]))
+        assert \
+            location.closest(123.45, 123.45, [state, state2, state3]) is None
 
     def test_closest_returns_closest(self):
         """Test ."""
@@ -55,5 +55,4 @@ class TestHelpersLocation(unittest.TestCase):
             ATTR_LONGITUDE: 125.45,
         })
 
-        self.assertEqual(
-            state, location.closest(123.45, 123.45, [state, state2]))
+        assert state == location.closest(123.45, 123.45, [state, state2])