Add test suite for createListOfSize util

[Rohan Gupta]

Please describe the motive behind this issue.
Need a new test suite for createListOfSize util method.

Describe the solution you'd like to propose
Create a new test suite containing relevant test cases to test the createListOfSize util.

Describe alternatives you've considered
NA

Additional context
Update the util in case any edge case is not covered by the current implementation.

[Ferdi Güran]

@DemonDaddy22 I'd like to try this can you assign me please?

[Rohan Gupta]

@selamanse Yes sure, you can go ahead and create a PR for same!