diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index a0175cd..246284c 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1837,5 +1837,21 @@
   CheckScriptFailure(lines, 'E704:')
 enddef
 
+def Test_inc_dec()
+  var lines =<< trim END
+      var nr = 7
+      ++nr
+      echo nr
+      --nr
+      echo nr
+
+      var ll = [1, 2]
+      --ll[0]
+      ++ll[1]
+      echo ll
+  END
+  CheckDefAndScriptSuccess(lines)
+enddef
+
 
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index fd9b406..fdedd5f 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -2768,19 +2768,6 @@
     echo + +n
   END
   CheckDefAndScriptFailure(lines, 'E15:')
-
-  lines =<< trim END
-    var n = 12
-    :1
-    ++n
-  END
-  CheckDefAndScriptFailure(lines, 'E1050:')
-  lines =<< trim END
-    var n = 12
-    :1
-    --n
-  END
-  CheckDefAndScriptFailure(lines, 'E1050:')
 enddef
 
 def Test_expr7_legacy_script()