Maybe?

Author: Monarda

.github/workflows/publish-to-test-pypi.yml

@@ -30,8 +30,6 @@ jobs:
         os: [ubuntu-latest] #, mac-latest]
         python-version: ["3.11", "3.12", "3.13"]
     runs-on: ${{ matrix.os }}
-    env:
-      test_var0: "this is just a test 0"
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
@@ -43,15 +41,11 @@ jobs:
         pip install .[test]
         PIP_PATH=$(which pip)
         sudo $PIP_PATH install .[test]
-      env:
-        test_var1: "this is just a test 1"
     - name: Run tests
       run: |
-        echo "GITHUB_ACTION=true" >> "$GITHUB_ENV"
+        export GITHUB_ACTION=1
         PYTHON_PATH=$(which python)
         sudo $PYTHON_PATH -m coverage run --source=. -m unittest discover tests/
-      env:
-        test_var2: "this is just a test 2"
     - name: Gather coverage statistics
       if: ${{ always() }}
       run: |