rename action

Tox run tests from a sdist setup without C-extensions

.github/workflows/testing.yml

@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: Testing by Tox
+name: Test without C-extension
 
 on:
   push:
@@ -20,10 +20,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install Tox and any other packages
+    - name: Install Tox
       run: pip install tox
     - name: Run Tox
       run: tox -c tox-template.ini -e py  # Run tox using the version of Python in `PATH`