Enhance Test Coverage for pkg/gofr/websocket module

[thzgajendra]

To enhance and increase test coverage from 32% to >90% . Which covers all the edge cases and performance related test.

Includes:

1. Include table driven Test.
2. More Coverage and precise test.

[thzgajendra]

@Umang01-hash can you assign this task to me !

[coolwednesday]

Sure @thzgajendra, Assigning this issue to you.