fix: repair admin backend workflow validation and test path

Author: owenisas

.github/workflows/deploy-admin-backend-aws.yml

@@ -74,6 +74,7 @@ jobs:
       - name: Run admin tests
         working-directory: backend-admin
         run: |
+          export PYTHONPATH="$PWD"
           pytest -v tests/test_admin_handler.py tests/test_admin_template_security.py
 
   validate-sam:
@@ -117,7 +118,7 @@ jobs:
               content = f.read()
               tree = ast.parse(content)
 
-          route_literals = re.findall(r'path\\s*==\\s*["\\']([^"\\']+)["\\']', content)
+          route_literals = re.findall(r"path\\s*==\\s*['\\\"]([^'\\\"]+)['\\\"]", content)
           expected_routes = [
               "/admin/overview",
               "/admin/jobs",