Avoid universal newlines even more

test/run.py

@@ -411,7 +411,7 @@ def collect_dir_tests(base_dir, test_files, check_thirdparty=False):
             path = os.path.join(base_dir, f_name)
 
             if is_py3:
-                with open(path, encoding='utf-8') as f:
+                with open(path, encoding='utf-8', newline='') as f:
                     source = f.read()
             else:
                 with open(path) as f: