fix: Add service containers and fix test failures

- Add Redis and RabbitMQ services to CI workflow
- Fix Jinja2 template error by passing file=None in error cases
- Fix test expecting dict response format for list_files endpoint
- Fix NOT NULL constraint by providing valid local_filename
- Fix retry-subtask to validate subtask name before checking processed file
- Add mock for process_document in reprocess test

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

.github/workflows/tests.yaml

@@ -5,6 +5,26 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    services:
+      redis:
+        image: redis:7
+        ports:
+          - 6379:6379
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+      rabbitmq:
+        image: rabbitmq:3-management
+        ports:
+          - 5672:5672
+          - 15672:15672
+        options: >-
+          --health-cmd "rabbitmq-diagnostics -q ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - name: Checkout Code
         uses: actions/checkout@v3