Skip Python2 evaluation tests on AppVeyor (#4053)

Hopeful fix for #3895

Author: emmatyping

appveyor.yml

@@ -21,7 +21,8 @@ build: off
 
 test_script:
     # Ignore lint and mypy self check (both run in Travis)
-    - "%PYTHON%\\python.exe runtests.py -x lint -x package"
+    - "%PYTHON%\\python.exe runtests.py -x lint -x package -x pytest"
+    - "%PYTHON%\\python.exe runtests.py pytest -p -k -p \"not (PythonEvaluationSuite and python2)\""
 
 skip_commits:
   files: