Added unit test to verify onCategoryItemClicked

[ashishkumar468]

Description (required)

Added missing test cases for CategoriesPresenter

What changes did you make and why?

Added the test case for onCategoryItem Clicked

[codecov-io]

Codecov Report

Merging #3252 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #3252      +/-   ##
=========================================
+ Coverage    6.15%   6.16%   +0.01%     
=========================================
  Files         270     270              
  Lines       11608   11608              
  Branches      906     906              
=========================================
+ Hits          714     716       +2     
+ Misses      10839   10837       -2     
  Partials       55      55

Impacted Files	Coverage Δ
...commons/upload/categories/CategoriesPresenter.java	76.27% <0%> (+3.38%)	⬆️

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