diff --git a/tests/components/facebook/test_notify.py b/tests/components/facebook/test_notify.py
index bbaa1f12516..77ae544646d 100644
--- a/tests/components/facebook/test_notify.py
+++ b/tests/components/facebook/test_notify.py
@@ -10,13 +10,15 @@ from homeassistant.core import HomeAssistant
 
 
 @pytest.fixture
-def facebook():
+def facebook() -> fb.FacebookNotificationService:
     """Fixture for facebook."""
     access_token = "page-access-token"
     return fb.FacebookNotificationService(access_token)
 
 
-async def test_send_simple_message(hass: HomeAssistant, facebook) -> None:
+async def test_send_simple_message(
+    hass: HomeAssistant, facebook: fb.FacebookNotificationService
+) -> None:
     """Test sending a simple message with success."""
     with requests_mock.Mocker() as mock:
         mock.register_uri(requests_mock.POST, fb.BASE_URL, status_code=HTTPStatus.OK)
@@ -40,7 +42,9 @@ async def test_send_simple_message(hass: HomeAssistant, facebook) -> None:
         assert mock.last_request.qs == expected_params
 
 
-async def test_send_multiple_message(hass: HomeAssistant, facebook) -> None:
+async def test_send_multiple_message(
+    hass: HomeAssistant, facebook: fb.FacebookNotificationService
+) -> None:
     """Test sending a message to multiple targets."""
     with requests_mock.Mocker() as mock:
         mock.register_uri(requests_mock.POST, fb.BASE_URL, status_code=HTTPStatus.OK)
@@ -66,7 +70,9 @@ async def test_send_multiple_message(hass: HomeAssistant, facebook) -> None:
             assert request.qs == expected_params
 
 
-async def test_send_message_attachment(hass: HomeAssistant, facebook) -> None:
+async def test_send_message_attachment(
+    hass: HomeAssistant, facebook: fb.FacebookNotificationService
+) -> None:
     """Test sending a message with a remote attachment."""
     with requests_mock.Mocker() as mock:
         mock.register_uri(requests_mock.POST, fb.BASE_URL, status_code=HTTPStatus.OK)
@@ -95,32 +101,36 @@ async def test_send_message_attachment(hass: HomeAssistant, facebook) -> None:
         expected_params = {"access_token": ["page-access-token"]}
         assert mock.last_request.qs == expected_params
 
-    async def test_send_targetless_message(hass, facebook):
-        """Test sending a message without a target."""
-        with requests_mock.Mocker() as mock:
-            mock.register_uri(
-                requests_mock.POST, fb.BASE_URL, status_code=HTTPStatus.OK
-            )
 
-            facebook.send_message(message="going nowhere")
-            assert not mock.called
+async def test_send_targetless_message(
+    hass: HomeAssistant, facebook: fb.FacebookNotificationService
+) -> None:
+    """Test sending a message without a target."""
+    with requests_mock.Mocker() as mock:
+        mock.register_uri(requests_mock.POST, fb.BASE_URL, status_code=HTTPStatus.OK)
 
-    async def test_send_message_with_400(hass, facebook):
-        """Test sending a message with a 400 from Facebook."""
-        with requests_mock.Mocker() as mock:
-            mock.register_uri(
-                requests_mock.POST,
-                fb.BASE_URL,
-                status_code=HTTPStatus.BAD_REQUEST,
-                json={
-                    "error": {
-                        "message": "Invalid OAuth access token.",
-                        "type": "OAuthException",
-                        "code": 190,
-                        "fbtrace_id": "G4Da2pFp2Dp",
-                    }
-                },
-            )
-            facebook.send_message(message="nope!", target=["+15555551234"])
-            assert mock.called
-            assert mock.call_count == 1
+        facebook.send_message(message="going nowhere")
+        assert not mock.called
+
+
+async def test_send_message_with_400(
+    hass: HomeAssistant, facebook: fb.FacebookNotificationService
+) -> None:
+    """Test sending a message with a 400 from Facebook."""
+    with requests_mock.Mocker() as mock:
+        mock.register_uri(
+            requests_mock.POST,
+            fb.BASE_URL,
+            status_code=HTTPStatus.BAD_REQUEST,
+            json={
+                "error": {
+                    "message": "Invalid OAuth access token.",
+                    "type": "OAuthException",
+                    "code": 190,
+                    "fbtrace_id": "G4Da2pFp2Dp",
+                }
+            },
+        )
+        facebook.send_message(message="nope!", target=["+15555551234"])
+        assert mock.called
+        assert mock.call_count == 1