patch 8.2.3854: Vim9: inconsistent arguments for test functions

Problem:    Vim9: inconsistent arguments for test functions.
Solution:   When :def function and script have different arguments use a list
            with two items instead of a separate function.
diff --git a/src/testdir/test_execute_func.vim b/src/testdir/test_execute_func.vim
index 2a84706..06049c2 100644
--- a/src/testdir/test_execute_func.vim
+++ b/src/testdir/test_execute_func.vim
@@ -40,7 +40,7 @@
   if has('float')
     call assert_fails('call execute(3.4)', 'E492:')
     call assert_equal("\nx", execute("echo \"x\"", 3.4))
-    call CheckDefExecAndScriptFailure2(['execute("echo \"x\"", 3.4)'], 'E1013: Argument 2: type mismatch, expected string but got float', 'E1174:')
+    call CheckDefExecAndScriptFailure(['execute("echo \"x\"", 3.4)'], ['E1013: Argument 2: type mismatch, expected string but got float', 'E1174:'])
   endif
 endfunc