test: fix test-https-agent-additional-options.js

`value` was always being assigned to an `undefined` property of an Array. Thus, the assertions that depended on `value` being defined were never being checked. Assign `value` the correct...er...value. PR-URL: #38202 Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>

Author: Trott

test/parallel/test-https-agent-additional-options.js

@@ -61,8 +61,8 @@ function variations(iter, port, cb){
 server.close();
 }else{
 // Save `value` for check the next time.
-value=next.value.val;
 const[key,val]=next.value;
+value=val;
 https.get({ ...getBaseOptions(port),[key]: val},
 variations(iter,port,cb));
 }