Fix CI

Author: thombashi

.github/workflows/tests.yml

@@ -12,7 +12,9 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         exclude:
           - os: windows-latest
-            python-version: 3.6
+            python-version: '3.6'
+          - os: windows-latest
+            python-version: '3.11.0-rc.1'
     timeout-minutes: 20
 
     steps:
@@ -43,18 +45,11 @@ jobs:
       - name: Install dependencies
         run: make setup-ci
 
-      - name: Run tests except Windows
-        if: matrix.os != 'windows-latest'
+      - name: Run tests
         env:
           PYTEST_DISCORD_WEBHOOK: ${{ secrets.PYTEST_DISCORD_WEBHOOK }}
         run: tox -e cov -- --discord-verbose=0
 
-      - name: Run tests for Windows
-        if: matrix.os == 'windows-latest'
-        env:
-          PYTEST_DISCORD_WEBHOOK: ${{ secrets.PYTEST_DISCORD_WEBHOOK }}
-        run: tox -e py
-
       - name: Upload coverage report
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.8'
         run: |