Disable PyPy3 on Windows for now

#127

Author: altendky

.github/workflows/ci.yml

@@ -134,6 +134,11 @@ jobs:
               tox: py39
             os:
               python_platform: win32
+          - python:
+              # Disabled due to https://github.com/pytest-dev/pytest-twisted/issues/127
+              tox: pypy3
+            os:
+              python_platform: win32
     steps:
       - uses: actions/checkout@v2
       - name: Enable Problem Matchers