test: fix webcrypto wrap unwrap tests

Refs: #47864
PR-URL: #47876
Refs: #47864
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

test/parallel/test-webcrypto-wrap-unwrap.js

@@ -275,7 +275,7 @@ async function testWrap(wrappingKey, unwrappingKey, key, wrap, format) {
   assert.deepStrictEqual(exported, exportedAgain);
 }
 
-async function testWrapping(name, keys) {
+function testWrapping(name, keys) {
   const variations = [];
 
   const {
@@ -290,15 +290,15 @@ async function testWrapping(name, keys) {
     });
   });
 
-  return Promise.all(variations);
+  return variations;
 }
 
 (async function() {
   await generateWrappingKeys();
   const keys = await generateKeysToWrap();
   const variations = [];
   Object.keys(kWrappingData).forEach((name) => {
-    return testWrapping(name, keys);
+    variations.push(...testWrapping(name, keys));
   });
   await Promise.all(variations);
 })().then(common.mustCall());