fix(curriculum) : updating tests and hints for trivia-bot-lab (freeCodeCamp#58841)

Author: Neha611

curriculum/challenges/english/25-front-end-development/lab-javascript-trivia-bot/66ed41f912d0bb1dc62da5dd.md

@@ -31,24 +31,39 @@ You should log `"Hello! I'm your coding fun fact guide!"` to the console.
 assert.equal(output[0], "Hello! I'm your coding fun fact guide!")
 ```
 
-You should declare a `botName` variable and give it a value.
+You should declare a `botName` variable. Double check for any spelling or casing errors.
 
 ```js
 assert.exists(botName);
+```
+
+Your `botName` variable should be a string.
+
+```js
 assert.isString(botName);
 ```
 
-You should declare a `botLocation` variable and give it a value.
+You should declare a `botLocation` variable. Double check for any spelling or casing errors.
 
 ```js
 assert.exists(botLocation);
+```
+
+Your `botLocation` variable should be a string.
+
+```js
 assert.isString(botLocation);
 ```
 
-You should declare a `favoriteLanguage` variable and give it a value.
+You should declare a `favoriteLanguage` variable. Double check for any spelling or casing errors.
 
 ```js
 assert.exists(favoriteLanguage);
+```
+
+Your `favoriteLanguage` variable should be a string.
+
+```js
 assert.isString(favoriteLanguage);
 ```