tests: use Poetry to manage the GitHub actions pytest plugin

Author: neersighted

.github/workflows/main.yml

@@ -68,13 +68,10 @@ jobs:
         run: timeout 10s poetry run pip --version || rm -rf .venv
 
       - name: Install dependencies
-        run: poetry install
-
-      - name: Install pytest plugin
-        run: poetry run pip install pytest-github-actions-annotate-failures
+        run: poetry install --with github-actions
 
       - name: Run mypy
         run: poetry run mypy
 
       - name: Run pytest
-        run: poetry run pytest -v tests/
+        run: poetry run pytest -v

poetry.lock

@@ -30,6 +30,12 @@ pytest-randomly = "^3.12"
 pytest-xdist = { version = "^2.5", extras = ["psutil"] }
 mypy = ">=0.971"
 
+# only used in github actions
+[tool.poetry.group.github-actions]
+optional = true
+[tool.poetry.group.github-actions.dependencies]
+pytest-github-actions-annotate-failures = "^0.1.7"
+
 [tool.poetry.plugins."poetry.application.plugin"]
 export = "poetry_plugin_export.plugins:ExportApplicationPlugin"