modified python workflow

.github/workflows/pythonapp.yml

@@ -17,10 +17,10 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-    - name: Lint with flake8
+    - name: Lint with pylint
       run: |
         pip install pylint
         pylint --exit-zero NanoVNASaver
-    - name: Test with pytest
+    - name: Unittests
       run: |
         python3 ./test_master.py