[services] Tunnelbroker - Add test for updateSessionItemDeviceToken database method
Summary:
This diff introduces a test for the updateSessionItemDeviceToken method from D5179.
In this test, we will create a SessionItem entity and push it to the DynamoDB table. We are checking the default value and updating it using the updateSessionItemDeviceToken method and checks the value to become an updated one.
Related Linear task: ENG-1782
Test Plan:
- Successfully built.
- Test in D5184 is passed.
Reviewers: jon, tomek
Reviewed By: tomek
Subscribers: ashoat, tomek, atul, karol, abosh
Differential Revision: https://phab.comm.dev/D5184