Fix tests ci

.github/workflows/tests.yaml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.10", "3.11"]
+        python-version: "3.11"
 
     services:
       postgres:
@@ -26,17 +26,17 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Setup Python ${{ matrix.python-version }}
+    - name: Setup Python
       uses: actions/setup-python@v2
       with:
-        python-version: ${{ matrix.python-version }}
-        cache: 'pip'
-        cache-dependency-path: '**/requirements/development.txt'
+        python-version: "3.11"
+        cache: 'poetry'
+        cache-dependency-path: 'poetry.lock'
 
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install -r app/requirements/development.txt
+        python -m pip install poetry
+        poetry install
 
     - name: Run tests
       env: