fix(curriculum): update test regex to allow whitespaces (#47150)

* Added spacing fix to catch end of line spaces

* allow for spaces before "("

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/create-a-javascript-promise.md

@@ -33,7 +33,7 @@ Your promise should receive a function with `resolve` and `reject` as parameters
 ```js
 assert(
   code.match(
-    /Promise\(\s*(function\s*\(\s*resolve\s*,\s*reject\s*\)\s*{|\(\s*resolve\s*,\s*reject\s*\)\s*=>\s*{)[^}]*}/g
+    /Promise\s*\(\s*(function\s*\(\s*resolve\s*,\s*reject\s*\)\s*{|\(\s*resolve\s*,\s*reject\s*\)\s*=>\s*{)[^}]*}/g
   )
 );
 ```