invalidate_hash_can_trigger_to_reclaim_for_next_round_get_hashes.diff

diff --git a/test/unit/obj/test_diskfile.py b/test/unit/obj/test_diskfile.py
index cc7d97d..d5eaafa 100644
--- a/test/unit/obj/test_diskfile.py
+++ b/test/unit/obj/test_diskfile.py
@@ -5052,6 +5052,46 @@ class TestSuffixHashes(unittest.TestCase):
             hashes = df_mgr.get_hashes('sda1', '0', [], policy)
             self.assertEqual(hashes, {})
 
+    def test_hash_suffix_one_reclaim_tombstone_with_hash_pkl(self):
+        for policy in self.iter_policies():
+            df_mgr = self.df_router[policy]
+            df = df_mgr.get_diskfile(
+                'sda1', '0', 'a', 'c', 'o', policy=policy)
+            # scale back this tests manager's reclaim age a bit
+            df_mgr.reclaim_age = 1000
+            # write a tombstone that's just a *little* older
+            old_time = time() - 1001
+            timestamp = Timestamp(old_time)
+            df.delete(timestamp.internal)
+            hashes = df_mgr.get_hashes('sda1', '0', [], policy)
+            # sanity
+            self.assertEqual(hashes, {})
+
+            # if hash.pkl exists, that .ts file is not reclaimed
+            df = df_mgr.get_diskfile(
+                'sda1', '0', 'a', 'c', 'o', policy=policy)
+            df.delete(timestamp.internal)
+            hashes = df_mgr.get_hashes('sda1', '0', [], policy)
+            # yes, tis was a cached value so the value looks empty
+            self.assertEqual(hashes, {})
+            # but we still have tombstone entry on the file sytem which causes
+            # DiskFileDeleted
+            self.assertRaises(DiskFileDeleted, df.open)
+
+            # however if we call invalidate_hash for the suffix dir,
+            # get_hashes can reclaim the tombstone
+            suffix_dir = os.path.dirname(df._datadir)
+            with mock.patch('swift.obj.diskfile.lock_path'):
+                df_mgr.invalidate_hash(suffix_dir)
+
+            df = df_mgr.get_diskfile(
+                'sda1', '0', 'a', 'c', 'o', policy=policy)
+            hashes = df_mgr.get_hashes('sda1', '0', [], policy)
+            # sanity
+            self.assertEqual(hashes, {})
+            # YEAH, we can remove the actual tombstone file here!
+            self.assertRaises(DiskFileNotExist, df.open)
+
     def test_hash_suffix_one_reclaim_and_one_valid_tombstone(self):
         for policy in self.iter_policies():
             paths, suffix = find_paths_with_matching_suffixes(2, 1)