Add behave test to Github action

.github/workflows/push.yaml

@@ -34,6 +34,7 @@ jobs:
         with:
           python-version: '3.13'
           cache: 'pip'
+      - run: pip install -r test/features/requirements.txt
 
       - name: Install dependencies
         env:
@@ -77,7 +78,7 @@ jobs:
 
           helmfile sync --concurrency 1
 
-      - name: Run integration tests
+      - name: Run end-to-end tests
         run: |
           cd test/features
           behave