Fix tests in AppVeyor

test/conftest.py

@@ -1,22 +1,25 @@
 from pathlib import Path
+import platform
 
 import pytest
 import pygit2
 from . import utils
 
 
 @pytest.fixture(scope='session', autouse=True)
-def disable_global_git_config():
-    """
-    Do not use global config for better test reproducibility.
-    https://github.com/libgit2/pygit2/issues/989
-    """
+def global_git_config():
+    # Do not use global config for better test reproducibility.
+    # https://github.com/libgit2/pygit2/issues/989
     levels = [pygit2.GIT_CONFIG_LEVEL_GLOBAL,
               pygit2.GIT_CONFIG_LEVEL_XDG,
               pygit2.GIT_CONFIG_LEVEL_SYSTEM]
     for level in levels:
         pygit2.settings.search_path[level] = ""
 
+    # Fix tests running in AppVeyor
+    if platform.system() == 'Windows':
+        pygit2.option(pygit2.GIT_OPT_SET_OWNER_VALIDATION, 0)
+
 
 @pytest.fixture
 def pygit2_empty_key():