diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index b26ae7a1f..e78005479 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -72,30 +72,8 @@ jobs:
         run: |
           ruff check frigate migrations docker *.py
 
-  devcontainer:
-    runs-on: ubuntu-latest
-    name: Build devcontainer
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v6
-        with:
-          persist-credentials: false
-      - name: Log in to the Container registry
-        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Pre-build devcontainer image
-        uses: devcontainers/ci@v0.3
-        with:
-          imageName: ${{ env.REGISTRY }}/${{ env.DEV_IMAGE_NAME }}
-          cacheFrom: ${{ env.REGISTRY }}/${{ env.DEV_IMAGE_NAME }}
-          push: always
-
   python_tests:
     runs-on: ubuntu-latest
-    needs: devcontainer
     name: Python Tests
     steps:
       - name: Check out code
@@ -108,15 +86,12 @@ jobs:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Pre-Run mypy in devcontainer
+      - name: Build devcontainer image and run checks
         uses: devcontainers/ci@v0.3
         with:
+          imageName: ${{ env.REGISTRY }}/${{ env.DEV_IMAGE_NAME }}
           cacheFrom: ${{ env.REGISTRY }}/${{ env.DEV_IMAGE_NAME }}
-          push: never
-          runCmd: python3 -u -m mypy --config-file frigate/mypy.ini frigate
-      - name: Pre-Run mypy in devcontainer
-        uses: devcontainers/ci@v0.3
-        with:
-          cacheFrom: ${{ env.REGISTRY }}/${{ env.DEV_IMAGE_NAME }}
-          push: never
-          runCmd: python3 -u -m unittest
+          push: always
+          runCmd: |-
+            python3 -u -m mypy --config-file frigate/mypy.ini frigate &&
+            python3 -u -m unittest
diff --git a/frigate/test/test_custom_classification.py b/frigate/test/test_custom_classification.py
index fb22557ca..7ba5644f4 100644
--- a/frigate/test/test_custom_classification.py
+++ b/frigate/test/test_custom_classification.py
@@ -4,7 +4,7 @@ import unittest
 from unittest.mock import MagicMock
 
 MOCK_MODULES = [
-    # "cv2",
+    "cv2",
     # "numpy",
     "zmq",
     "peewee",
@@ -22,9 +22,11 @@ MOCK_MODULES = [
     "tensorflow.lite.python",
     "tensorflow.lite.python.interpreter",
 ]
-
 ORIGINAL_MODULES = {mod: sys.modules[mod] for mod in MOCK_MODULES if mod in sys.modules}
 
+WIDTH = 720
+HEIGHT = 1280
+
 
 class TestCustomObjectClassificationZones(unittest.TestCase):
     """Test that zone information is correctly added to custom classification MQTT messages"""
@@ -213,14 +215,24 @@ class TestCustomObjectClassificationIntegration(unittest.TestCase):
         pydantic_mock.BaseModel = type("BaseModel", (), {})
         pydantic_mock.Field = MagicMock(return_value=None)
         pydantic_mock.ConfigDict = MagicMock(return_value={})
+        # Create a better mock for cv2 to handle calculations
+        cv2_mock = MagicMock()
+        def cvtColor(frame, color):
+            return self.np.zeros((WIDTH, HEIGHT, 3), dtype=self.np.uint8)
+        def resize(frame, size):
+            return self.np.zeros((*size, 3), dtype=self.np.uint8)
+        cv2_mock.cvtColor = cvtColor
+        cv2_mock.resize = resize
 
         for mod in MOCK_MODULES:
             sys.modules[mod] = MagicMock()
         sys.modules["pydantic"] = pydantic_mock
+        sys.modules["cv2"] = cv2_mock
 
         # Import numpy after it's been mocked
         import numpy as np
-
+        import cv2
+        
         self.np = np
 
         try:
@@ -288,7 +300,7 @@ class TestCustomObjectClassificationIntegration(unittest.TestCase):
         ]
 
         # Create frame
-        frame = self.np.zeros((720, 1280, 3), dtype=self.np.uint8)
+        frame = self.np.zeros((WIDTH, HEIGHT, 3), dtype=self.np.uint8)
 
         # Mock TFLite
         processor.interpreter = MagicMock()