fix(curriculum): trim spaces in Build a Storytelling App (#63951)

curriculum/challenges/english/blocks/workshop-storytelling-app/671f99a5dc221afb86fa2dc0.md

@@ -17,8 +17,9 @@ Begin by creating an `h1` element and give it a text `Want to hear a short story
 You should have an `h1` with the text `Want to hear a short story?`.
 
 ```js
-assert.exists(document.querySelector('h1'));
-assert.equal(document.querySelector('h1').textContent, 'Want to hear a short story?');
+const h1 = document.querySelector('h1');
+assert.exists(h1);
+assert.equal(h1.textContent.trim(), 'Want to hear a short story?');
 ```
 
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curriculum/challenges/english/blocks/workshop-storytelling-app/671fa22e99042b1e91fe9d2e.md

@@ -26,22 +26,25 @@ assert.equal(document.querySelectorAll('.btn-container > .btn').length, 3);
 You should have a button with the `id` of `scary-btn` and a text of `Scary Story`.
 
 ```js
-assert.exists(document.querySelector('#scary-btn'));
-assert.equal(document.querySelector('#scary-btn').textContent, 'Scary Story');
+const scaryBtn = document.querySelector('#scary-btn');
+assert.exists(scaryBtn);
+assert.equal(scaryBtn.textContent.trim(), 'Scary Story');
 ```
 
 You should have a button with the `id` of `funny-btn` and a text of `Funny Story`.
 
 ```js
-assert.exists(document.querySelector('#funny-btn'));
-assert.equal(document.querySelector('#funny-btn').textContent, 'Funny Story');
+const funnyBtn = document.querySelector('#funny-btn');
+assert.exists(funnyBtn);
+assert.equal(funnyBtn.textContent.trim(), 'Funny Story');
 ```
 
 You should have a button with the `id` of `adventure-btn` and a text of `Adventure Story`.
 
 ```js
-assert.exists(document.querySelector('#adventure-btn'));
-assert.equal(document.querySelector('#adventure-btn').textContent, 'Adventure Story');
+const adventureBtn = document.querySelector('#adventure-btn');
+assert.exists(adventureBtn);
+assert.equal(adventureBtn.textContent.trim(), 'Adventure Story');
 ```
 
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