Unit tests : Messenger widget

Implement unit tests for every acceptance criteria for each module mentioned in the below document.
https://www.notion.so/corpusventures/Acceptance-Criteria-Dm3-Messenger-Widget-5dbaba22de4d495c8673d6c59df6c5e7

Tasks

• Setup cypress library in project
• Tests for Add conversation
• Tests for Top level alias
• Tests for Conversation order

NOTE: Use Cypress library to implement test cases