feat(curriculum): add test case for Daily Challenge - Email Validator (#64165)

curriculum/challenges/english/blocks/daily-coding-challenges-javascript/68cae5b538ff798bbd4da005.md

@@ -68,6 +68,12 @@ assert.isFalse(validate("hello.@wo.rld"));
 assert.isFalse(validate("hello@world..com"));
 ```
 
+`validate("develop..ment_user@c0D!NG.R.CKS")` should return `false`.
+
+```js
+assert.isFalse(validate("develop..ment_user@c0D!NG.R.CKS"));
+```
+
 `validate("git@commit@push.io")` should return `false`.
 
 ```js

curriculum/challenges/english/blocks/daily-coding-challenges-python/68cae5b538ff798bbd4da005.md

@@ -92,6 +92,15 @@ TestCase().assertIs(validate("hello@world..com"), False)`)
 }})
 ```
 
+`validate("develop..ment_user@c0D!NG.R.CKS")` should return `False`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertIs(validate("develop..ment_user@c0D!NG.R.CKS"), False)`)
+}})
+```
+
 `validate("git@commit@push.io")` should return `False`.
 
 ```js