diff --git a/src/testdir/test_vimscript.vim b/src/testdir/test_vimscript.vim
index 24dfd1b..ce3dbca 100644
--- a/src/testdir/test_vimscript.vim
+++ b/src/testdir/test_vimscript.vim
@@ -6571,6 +6571,9 @@
     call assert_false(v:true is 1)
     call assert_false(v:true is v:false)
     call assert_false(v:none is 0)
+    call assert_false(v:none is [])
+    call assert_false(v:none is {})
+    call assert_false(v:none is 'text')
     call assert_false(v:null is 0)
     call assert_false(v:null is v:none)