diff --git a/test/helper.py b/test/helper.py
index 8a820526a..96d58b7c1 100644
--- a/test/helper.py
+++ b/test/helper.py
@@ -99,7 +99,7 @@ def gettestcases(include_onlymatching=False):
 md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
 
 
-def expect_info_dict(self, expected_dict, got_dict):
+def expect_info_dict(self, got_dict, expected_dict):
     for info_field, expected in expected_dict.items():
         if isinstance(expected, compat_str) and expected.startswith('re:'):
             got = got_dict.get(info_field)
diff --git a/test/test_download.py b/test/test_download.py
index a009aa475..412f3dbce 100644
--- a/test/test_download.py
+++ b/test/test_download.py
@@ -155,7 +155,7 @@ def generator(test_case):
             if is_playlist:
                 self.assertEqual(res_dict['_type'], 'playlist')
                 self.assertTrue('entries' in res_dict)
-                expect_info_dict(self, test_case.get('info_dict', {}), res_dict)
+                expect_info_dict(self, res_dict, test_case.get('info_dict', {}))
 
             if 'playlist_mincount' in test_case:
                 assertGreaterEqual(
@@ -204,7 +204,7 @@ def generator(test_case):
                 with io.open(info_json_fn, encoding='utf-8') as infof:
                     info_dict = json.load(infof)
 
-                expect_info_dict(self, tc.get('info_dict', {}), info_dict)
+                expect_info_dict(self, info_dict, tc.get('info_dict', {}))
         finally:
             try_rm_tcs_files()
             if is_playlist and res_dict is not None and res_dict.get('entries'):