update references to CARS.md and routes.py (#23993)

.github/pull_request_template.md

@@ -22,8 +22,8 @@ Route: [a route with the bug fix]
 <!--- ***** Template: Car port *****
 
 **Checklist**
-- [ ] added to README
-- [ ] test route added to [test_routes.py](https://github.com/commaai/openpilot/blob/master/selfdrive/test/test_routes.py)
+- [ ] added to docs/CARS.md
+- [ ] test route added to [routes.py](https://github.com/commaai/openpilot/blob/master/selfdrive/car/tests/routes.py)
 - [ ] route with openpilot:
 - [ ] route with stock system:
 

.github/workflows/selfdrive_tests.yaml

@@ -383,7 +383,7 @@ jobs:
       uses: actions/cache@v2
       with:
         path: /tmp/comma_download_cache
-        key: car_models-${{ hashFiles('selfdrive/car/tests/test_models.py', 'selfdrive/test/test_routes.py') }}-${{ matrix.job }}
+        key: car_models-${{ hashFiles('selfdrive/car/tests/test_models.py', 'selfdrive/car/tests/routes.py') }}-${{ matrix.job }}
     - name: Cache scons
       id: scons-cache
       # TODO: Change the version to the released version when https://github.com/actions/cache/pull/489 (or 571) is merged.

selfdrive/test/update_ci_routes.py

@@ -70,7 +70,7 @@ if __name__ == "__main__":
   to_sync = sys.argv[1:]
 
   if not len(to_sync):
-    # sync routes from test_routes and process replay
+    # sync routes from the car tests routes and process replay
     to_sync.extend([rt.route for rt in test_car_models_routes])
     to_sync.extend([s[1].rsplit('--', 1)[0] for s in replay_segments])