Move poetry setup to a different job

.github/workflows/tests.yml

@@ -1,12 +1,5 @@
 name: tests
 
-env:
-  PYTHON_VERSION: "3.10"
-  NODE_VERSION: "20"
-  MODULE_NAME: clairvoyance
-  MIN_TEST_COV: 0
-  SERVER: http://localhost:4000
-
 on:
   push:
     paths-ignore:
@@ -23,49 +16,50 @@ on:
     branches:
       - main
 
+env:
+  PYTHON_VERSION: "3.10"
+  NODE_VERSION: "20"
+  MODULE_NAME: clairvoyance
+  MIN_TEST_COV: 0
+  SERVER: http://localhost:4000
+
 permissions:
   contents: read
 
 jobs:
   unit-tests:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
+    - name: Install and configurate poetry
+      run: |
+        pipx install poetry
+        poetry config virtualenvs.in-project true
     - uses: actions/setup-python@v5
       with:
         python-version: ${{ env.PYTHON_VERSION }}
         cache: 'poetry'
-    - name: Install dependencies
-      run: |
-        pip install poetry
     - name: Setup poetry
-      run: |
-        poetry config virtualenvs.in-project true
-        poetry install
+      run: poetry install
     - name: Run tests
       run: |
         source .venv/bin/activate
         pytest --cov=$MODULE_NAME --cov-report=xml --cov-fail-under=$MIN_TEST_COV tests
 
   system-tests:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
+    - name: Install and configurate poetry
+      run: |
+        pipx install poetry
+        poetry config virtualenvs.in-project true
     - uses: actions/setup-python@v5
       with:
         python-version: ${{ env.PYTHON_VERSION }}
         cache: 'poetry'
-    - name: Install dependencies
-      run: |
-        pip install poetry
     - name: Setup poetry
-      run: |
-        poetry config virtualenvs.in-project true
-        poetry install
+      run: poetry install
     - uses: actions/setup-node@v4
       with:
         node-version: ${{ env.NODE_VERSION }}
@@ -101,17 +95,16 @@ jobs:
     if: false
     steps:
     - uses: actions/checkout@v4
+    - name: Install and configurate poetry
+      run: |
+        pipx install poetry
+        poetry config virtualenvs.in-project true
     - uses: actions/setup-python@v5
       with:
         python-version: ${{ env.PYTHON_VERSION }}
         cache: 'poetry'
-    - name: Install dependencies
-      run: |
-        pip install poetry
     - name: Setup poetry
-      run: |
-        poetry config virtualenvs.in-project true
-        poetry install
+      run: poetry install
     - name: Run lint
       if: always()
       run: |