Update Python dependency installation in GitHub workflows

.github/workflows/lint.yml

@@ -32,12 +32,15 @@ jobs:
           pipx install poetry==$POETRY_VERSION
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
+        id: setup-python
         with:
           python-version: ${{ matrix.python-version }}
           cache: poetry
-      - name: Install dependencies
+      - name: Install Python dependencies
         run: |
+          poetry env use ${{ matrix.python-version }}
           poetry install
+        if: ${{ steps.setup-python.outputs.cache-hit != 'true' }}
       - name: Analysing the code with our lint
         run: |
           make lint

.github/workflows/python_test.yml

@@ -33,11 +33,15 @@ jobs:
         run: pipx install poetry==$POETRY_VERSION
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
+        id: setup-python
         with:
           python-version: ${{ matrix.python-version }}
           cache: "poetry"
-      - name: Install dependencies
-        run: poetry install
+      - name: Install Python dependencies
+        run: |
+          poetry env use ${{ matrix.python-version }}
+          poetry install
+        if: ${{ steps.setup-python.outputs.cache-hit != 'true' }}
       - name: Run unit tests
         run: |
           make tests

.github/workflows/test.yml

@@ -1,45 +0,0 @@
-name: test
-
-on:
-  push:
-    branches: [main]
-    paths:
-      - "poetry.lock"
-      - "pyproject.toml"
-      - "src/backend/**"
-  pull_request:
-    branches: [dev]
-    paths:
-      - "poetry.lock"
-      - "pyproject.toml"
-      - "src/backend/**"
-
-env:
-  POETRY_VERSION: "1.8.2"
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version:
-          - "3.10"
-          - "3.11"
-    env:
-      OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install poetry
-        run: pipx install poetry==$POETRY_VERSION
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-          cache: "poetry"
-      - name: Install dependencies
-        run: |
-          poetry env use ${{ matrix.python-version }}
-          poetry install
-      - name: Run unit tests
-        run: |
-          make tests