fix(curriculum): rwd beta update doctype tests (#44829)

curriculum/challenges/english/14-responsive-web-design-22/learn-css-animation-by-building-a-ferris-wheel/step-001.md

@@ -51,10 +51,10 @@ Your `html` element should have a closing tag.
 assert(code.match(/<\/html\s*>/));
 ```
 
-Your `html` element should be below the `DOCTYPE` declaration.
+Your `DOCTYPE` declaration should be at the beginning of your HTML.
 
 ```js
-assert(code.match(/\s*<!DOCTYPE\s+html\s*>(\r?\n)+<\s*html\s*>/gi));
+assert(__helpers.removeHtmlComments(code).match(/^\s*<!DOCTYPE\s+html\s*>/i));
 ```
 
 You should have an opening `head` tag.