ci: improve pytest workflow

Signed-off-by: Far <OS@Noutbuk-admin.local>

.github/workflows/pr.yml

@@ -40,7 +40,17 @@ jobs:
 
   pytest:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ 3.12 ]
     steps:
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          pip install poetry
       - name: Checkout Iroha code
         uses: actions/checkout@v4
         with:
@@ -51,34 +61,19 @@ jobs:
           docker compose -f ./configs/swarm/docker-compose.yml up --wait || exit 1
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Show containers and directory
-        run: |
-          docker ps -a
-          pwd
-          ls
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y --no-install-recommends \
-            build-essential \
-            ca-certificates \
-            clang \
-            git \
-            patchelf \
-            llvm-dev \
-            python3-pip
-          sudo pip3 install --upgrade pip
-          sudo pip3 install maturin pytest
-      - name: Install Poetry
-        run: |
-          curl -sSL https://install.python-poetry.org | python3 -
-          echo "export PATH=$HOME/.local/bin:$PATH" >> $GITHUB_ENV
       - name: Maturin build
-        run: maturin build && poetry add target/wheels/*
-      - name: Poetry install
+        run: |
+          pip install maturin
+          maturin build
+          poetry add target/wheels/*
+      - name: Install project dependencies
         run: poetry install
-      - name: Run test
-        run: poetry run python -m pytest tests
+      - name: Run tests
+        run: poetry run pytest tests
+      - name: Tear down Docker containers
+        if: always()
+        run: |
+          docker stop $(docker ps -q) && docker rm $(docker ps -a -q)
 
   integration-test:
     runs-on: iroha-ubuntu-latest