Ignore urllib3's warnings when run on LibreSSL
This allows tests to run against the Xcode-provided Python 3, where
the ssl module is linked against LibreSSL.
diff --git a/tools/pytest.ini b/tools/pytest.ini
index bf58dc4..3347ec6 100644
--- a/tools/pytest.ini
+++ b/tools/pytest.ini
@@ -10,6 +10,8 @@
# ignore importlib changes which six is unlikely to ever adopt
ignore:_SixMetaPathImporter.exec_module\(\) not found; falling back to load_module\(\):ImportWarning
ignore:_SixMetaPathImporter.find_spec\(\) not found; falling back to find_module\(\):ImportWarning
+ # ignore urllib3's warning when not using OpenSSL
+ ignore:.*currently the 'ssl' module is compiled with.*::urllib3
# ignore mozinfo deprecation warnings
ignore:distutils Version classes are deprecated\. Use packaging\.version instead\.:DeprecationWarning:mozinfo
# ingore mozinfo's dependency on distro