fix valid script code example

src/dynamic-import/script-code-valid.case

@@ -6,9 +6,9 @@ template: syntax/valid
 ---*/
 
 //- setup
-// It is a Syntax Error if ModuleItemList Contains NewTarget
-// This is still valid in script code
-new.target;
+// This is still valid in script code, and should not be valid for module code
+// https://tc39.github.io/ecma262/#sec-scripts-static-semantics-lexicallydeclarednames
+var x; function x() {}
 
 //- import
 import('./script-code-valid.js')