test: Research assistant backend unit test

.github/workflows/test_research_assistant.yml

@@ -0,0 +1,48 @@
+name: Unit Tests - Research Assistant
+
+on:
+  push:
+    branches: [main, dev]
+    paths:
+      - 'ResearchAssistant/**'
+  pull_request:
+    branches: [main, dev]
+    types:
+      - opened
+      - ready_for_review
+      - reopened
+      - synchronize
+    paths:
+      - 'ResearchAssistant/**'
+
+jobs:
+  test_research_assistant:
+    name: Research Assistant Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install Backend Dependencies
+        run: |
+          cd ResearchAssistant/App
+          python -m pip install --upgrade pip
+          python -m pip install -r requirements.txt
+          python -m pip install coverage pytest pytest-cov pytest-asyncio
+
+      - name: Run Backend Tests with Coverage
+        run: |
+          cd ResearchAssistant/App
+          python -m pytest -vv --cov=. --cov-report=xml --cov-report=html --cov-report=term-missing --cov-fail-under=80 --junitxml=coverage-junit.xml
+      - uses: actions/upload-artifact@v4
+        with:
+          name: research-assistant-coverage
+          path: |
+            ResearchAssistant/App/coverage.xml
+            ResearchAssistant/App/coverage-junit.xml
+            ResearchAssistant/App/htmlcov/