Merge pull request #122 from online-judge-tools/update/test-yaml

Add some environments to .github/workflows/test.yml

Author: kmyk

.github/workflows/test.yml

@@ -9,15 +9,18 @@ jobs:
   test:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [3.6, 3.8]
-        pattern: [stable]  # see test-unstabl-workaround-*.yml
-        # pattern: [stable, unstable]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        pattern: [stable]  # see test-unstable-workaround-*.yml
         exclude:
-        - os: windows-latest
-          python-version: 3.8
         - os: macos-latest
-          python-version: 3.8
+          python-version: 3.7
+        - os: macos-latest
+          python-version: 3.9
+        - os: windows-latest
+          python-version: 3.7
+        - os: windows-latest
+          python-version: 3.9