test(old): skip Vim9 script with less divergence

src/nvim/testdir/test_functions.vim

@@ -2,6 +2,9 @@
 
 source shared.vim
 source check.vim
+source term_util.vim
+source screendump.vim
+source vim9.vim
 
 " Must be done first, since the alternate buffer must be unset.
 func Test_00_bufexists()
@@ -2518,7 +2521,7 @@ func Test_builtin_check()
     vim9script
     var s:trim = (x) => " " .. x
   END
-  " call CheckScriptFailure(lines, 'E704:')
+  call CheckScriptFailure(lines, 'E704:')
 
   call assert_fails('call extend(g:, #{foo: { -> "foo" }})', 'E704:')
   let g:bar = 123

src/nvim/testdir/test_ins_complete.vim

@@ -1535,7 +1535,7 @@ func Test_completefunc_callback()
     assert_equal([[1, ''], [0, 'three']], g:LocalCompleteFuncArgs)
     bw!
   END
-  " call CheckScriptSuccess(lines)
+  call CheckScriptSuccess(lines)
 
   " cleanup
   set completefunc&
@@ -1792,7 +1792,7 @@ func Test_omnifunc_callback()
     assert_equal([[1, ''], [0, 'three']], g:LocalOmniFuncArgs)
     bw!
   END
-  " call CheckScriptSuccess(lines)
+  call CheckScriptSuccess(lines)
 
   " cleanup
   set omnifunc&
@@ -2085,7 +2085,7 @@ func Test_thesaurusfunc_callback()
     assert_equal([[1, ''], [0, 'three']], g:LocalTsrFuncArgs)
     bw!
   END
-  " call CheckScriptSuccess(lines)
+  call CheckScriptSuccess(lines)
 
   " cleanup
   set thesaurusfunc&

src/nvim/testdir/test_normal.vim

@@ -695,7 +695,7 @@ func Test_opfunc_callback()
     assert_equal(['char'], g:LocalOpFuncArgs)
     bw!
   END
-  " call CheckScriptSuccess(lines)
+  call CheckScriptSuccess(lines)
 
   " setting 'opfunc' to a script local function outside of a script context
   " should fail

src/nvim/testdir/test_tagfunc.vim

@@ -380,7 +380,7 @@ func Test_tagfunc_callback()
     assert_equal(['a12', '', {}], g:LocalTagFuncArgs)
     bw!
   END
-  " call CheckScriptSuccess(lines)
+  call CheckScriptSuccess(lines)
 
   " cleanup
   delfunc TagFunc1

src/nvim/testdir/vim9.vim

@@ -3,6 +3,9 @@
 let s:sequence = 1
 
 func CheckScriptFailure(lines, error, lnum = -3)
+  if get(a:lines, 0, '') ==# 'vim9script'
+    return
+  endif
   let cwd = getcwd()
   let fname = 'XScriptFailure' .. s:sequence
   let s:sequence += 1
@@ -16,6 +19,9 @@ func CheckScriptFailure(lines, error, lnum = -3)
 endfunc
 
 func CheckScriptSuccess(lines)
+  if get(a:lines, 0, '') ==# 'vim9script'
+    return
+  endif
   let cwd = getcwd()
   let fname = 'XScriptSuccess' .. s:sequence
   let s:sequence += 1