diff -r 733db72f0f54 -r 2ac4f3e97813 mercurial/testing/storage.py
--- a/mercurial/testing/storage.py	Mon Sep 24 11:27:47 2018 -0700
+++ b/mercurial/testing/storage.py	Mon Sep 24 11:16:33 2018 -0700
@@ -96,15 +96,6 @@
             with self.assertRaises(IndexError):
                 f.linkrev(i)
 
-        self.assertEqual(f.flags(nullrev), 0)
-
-        for i in range(-5, 5):
-            if i == nullrev:
-                continue
-
-            with self.assertRaises(IndexError):
-                f.flags(i)
-
         self.assertFalse(f.iscensored(nullrev))
 
         for i in range(-5, 5):
@@ -193,11 +184,6 @@
         with self.assertRaises(IndexError):
             f.linkrev(1)
 
-        self.assertEqual(f.flags(0), 0)
-
-        with self.assertRaises(IndexError):
-            f.flags(1)
-
         self.assertFalse(f.iscensored(0))
 
         with self.assertRaises(IndexError):
@@ -290,13 +276,6 @@
         with self.assertRaises(IndexError):
             f.linkrev(3)
 
-        self.assertEqual(f.flags(0), 0)
-        self.assertEqual(f.flags(1), 0)
-        self.assertEqual(f.flags(2), 0)
-
-        with self.assertRaises(IndexError):
-            f.flags(3)
-
         self.assertFalse(f.iscensored(0))
         self.assertFalse(f.iscensored(1))
         self.assertFalse(f.iscensored(2))
@@ -957,7 +936,6 @@
             f.addrevision(stored1, tr, 1, node0, nullid,
                           flags=revlog.REVIDX_ISCENSORED)
 
-        self.assertEqual(f.flags(1), revlog.REVIDX_ISCENSORED)
         self.assertTrue(f.iscensored(1))
 
         self.assertEqual(f.revision(1), stored1)