fix(curriculum): correct test

curriculum/challenges/english/01-responsive-web-design/basic-css/add-rounded-corners-with-border-radius.english.md

@@ -25,7 +25,7 @@ tests:
   - text: Your image element should have the class "thick-green-border".
     testString: assert($("img").hasClass("thick-green-border"), 'Your image element should have the class "thick-green-border".');
   - text: Your image should have a border radius of <code>10px</code>
-    testString: assert(parseInt($("img").css("border-top-left-radius")) > 8, 'Your image should have a border radius of <code>10px</code>');
+    testString: assert($("img").css("border-radius") === '10px', 'Your image should have a border radius of <code>10px</code>');
 
 ```
 
@@ -105,7 +105,7 @@ tests:
 ## Solution
 <section id='solution'>
 
-```js
+```html
 <link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
 <style>
   .red-text {