patch 8.2.1042: Vim9: cannot put an operator on the next line

Problem:    Vim9: cannot put an operator on the next line.
Solution:   Require a colon before a range to see if that causes problems.
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index b46e04b..46816fd 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -585,12 +585,12 @@
   call CheckDefFailure(["let x = '1' ..'2'"], msg)
   call CheckDefFailure(["let x = '1'.. '2'"], msg)
 
-  call CheckDefFailure(["let x = 0z1122 + 33"], 'E1035')
-  call CheckDefFailure(["let x = 0z1122 + [3]"], 'E1035')
-  call CheckDefFailure(["let x = 0z1122 + 'asd'"], 'E1035')
-  call CheckDefFailure(["let x = 33 + 0z1122"], 'E1035')
-  call CheckDefFailure(["let x = [3] + 0z1122"], 'E1035')
-  call CheckDefFailure(["let x = 'asdf' + 0z1122"], 'E1035')
+  call CheckDefFailure(["let x = 0z1122 + 33"], 'E1051')
+  call CheckDefFailure(["let x = 0z1122 + [3]"], 'E1051')
+  call CheckDefFailure(["let x = 0z1122 + 'asd'"], 'E1051')
+  call CheckDefFailure(["let x = 33 + 0z1122"], 'E1051')
+  call CheckDefFailure(["let x = [3] + 0z1122"], 'E1051')
+  call CheckDefFailure(["let x = 'asdf' + 0z1122"], 'E1051')
   call CheckDefFailure(["let x = 6 + xxx"], 'E1001')
 endfunc