diff --git a/src/testdir/test55.ok b/src/testdir/test55.ok
index ba029b2..4e0303c 100644
--- a/src/testdir/test55.ok
+++ b/src/testdir/test55.ok
@@ -86,6 +86,64 @@
 FFpFFpp
 0000-000
 ppppppp
+Unletting:
+depth is 0
+0000-000
+ppppppp
+0000-000
+ppppppp
+0000-000
+ppppppp
+depth is 1
+1000-000
+ppFppFp
+0000-000
+ppppppp
+0000-000
+ppppppp
+depth is 2
+1100-100
+pFFpFFp
+0000-000
+ppppppp
+0000-000
+ppppppp
+depth is 3
+1110-110
+FFFFFFp
+0010-010
+FppFppp
+0000-000
+ppppppp
+depth is 4
+1111-111
+FFFFFFp
+0011-011
+FppFppp
+0000-000
+ppppppp
+Locks and commands or functions:
+No :unlet after lock on dict:
+Vim(unlet):E741: 
+{'a': 99, 'b': 100}
+:unlet after lock on dict item:
+did :unlet
+{'b': 100}
+filter() after lock on dict item:
+did filter()
+{'b': 100}
+map() after lock on dict:
+did map()
+{'a': 299, 'b': 300}
+No extend() after lock on dict item:
+Vim(put):E741: 
+{'a': 99, 'b': 100}
+No remove() of write-protected scope-level variable:
+Vim(put):E795: 
+No extend() of write-protected scope-level variable:
+Vim(put):E742: 
+No :unlet of variable in locked scope:
+Vim(unlet):E741: 
 [1, 2, 3, 4]
 [1, 2, 3, 4]
 [1, 2, 3, 4]