updating the subscription test cases

[Akash-27022002]

Description

Test cases for the Subscription services on the server-side. These test cases will evaluate the following functions:

Function Overview of Admin Service: 1 createSubscription

• This function is responsible for creating a new subscription for a user 2 fetchSubscriptionByuserid

• This function retrieves the subscription details of a user based on their userId I have written test cases for the Subscription service to make a subscription. The test cases I wrote are: 1 createSubscription

• Create Subscription It will try to create a subscription and return the instance Of Subscription on Success

• Firestore Operation Fails: Verifies that the function throws an error if there is a failure in the Firestore operation.

2 fetchSubscriptionByuserid

• Fetch Subscription By userId It will return the instance Of Subscription if it exists for the user
• Fetch Subscription By userId Return null if subscription does not exist for that user
• Firestore Operation Fails: Verifies that the function throws an error if there is a failure in the Firestore operation.

How to Test the Changes

1. Navigate to the root directory.
2. Run the command:

   yarn test:server

Screenshots or Recordings

Checklist

• [x] I have tested the changes locally and they work as expected.
• [x] I have added/updated tests that cover the changes.
• [ ] I have updated the documentation to reflect the changes.
• [x] This pull request follows the project's coding guidelines.