patch 8.2.4265: autoload tests fails

Problem:    Autoload tests fails.
Solution:   Use export instead of name with #.
diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index 35cacf2..933f443 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -148,7 +148,7 @@
 
   let lines =<< trim END
       vim9script
-      def omni#func(findstart: bool, base: string): any
+      export def Func(findstart: bool, base: string): any
           if findstart
               return 1
           else
@@ -162,7 +162,7 @@
   call writefile(lines, dir .. '/omni.vim')
 
   new
-  setlocal omnifunc=omni#func
+  setlocal omnifunc=omni#Func
   call feedkeys("i\<C-X>\<C-O>\<Esc>", 'xt')
 
   bwipe!