Added tests for radio button

[SaidShah]

• [x] Related GitHub issue(s) linked in PR description
• [x] Destination branch merged, built and tested with your changes
• [x] Code formatted and follows best practices and patterns
• [x] Code builds cleanly (no additional warnings or errors)
• [x] Manually tested
• [x] Automated tests are passing
• [x] No decreases in automated test coverage
• [x] Documentation updated (readme, docs, comments, etc.)
• [x] Localization: No hard-coded error messages in code files (minimally in string constants)
• [x] New component and/ or properties? Make sure to update storybook

Closes #29

[codecov[bot]]

Codecov Report

Merging #57 into main will increase coverage by 0.19%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #57      +/-   ##
==========================================
+ Coverage   20.62%   20.82%   +0.19%     
==========================================
  Files          51       51              
  Lines         897      898       +1     
  Branches      209      209              
==========================================
+ Hits          185      187       +2     
+ Misses        702      701       -1     
  Partials       10       10              

Impacted Files	Coverage Δ
src/atoms/forms/radio-button-input.tsx	100.00% <100.00%> (+12.50%)	:arrow_up:

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