Promise.any: simplify promise creation

test/built-ins/Promise/any/invoke-then-error-close.js

@@ -20,7 +20,7 @@ features: [Promise.any, Symbol.iterator]
 ---*/
 
 let error = new Test262Error();
-let promise = new Promise(() => {});
+let promise = Promise.resolve();
 let returnCount = 0;
 let iter = {
   [Symbol.iterator]() {

test/built-ins/Promise/any/invoke-then-get-error-close.js

@@ -19,7 +19,7 @@ flags: [async]
 features: [Promise.any, Symbol.iterator]
 ---*/
 let error = new Test262Error();
-let promise = new Promise(() => {});
+let promise = Promise.resolve();
 let returnCount = 0;
 let iter = {
   [Symbol.iterator]() {

test/built-ins/Promise/any/invoke-then-get-error-reject.js

@@ -19,7 +19,7 @@ flags: [async]
 features: [Promise.any]
 ---*/
 let error = new Test262Error();
-let promise = new Promise(() => {});
+let promise = Promise.resolve();
 
 Object.defineProperty(promise, 'then', {
   get() {