Fix CI to install from requirements.txt

.gitlab-ci.yml

@@ -18,7 +18,8 @@ test:
     - python3 -m venv .venv
     - source .venv/bin/activate
     - pip install --upgrade pip
-    - pip install pytest pytest-asyncio aiofiles aiohttp
+    - pip install -r requirements.txt
+    - pip install pytest pytest-asyncio
   script:
     - source .venv/bin/activate
     - python3 -m pytest tests/ -v --tb=short