React/Jest tests for FleModal.js

[shivaahir158]

Motivate of the pull request

• To address an existing issue. If so, please provide a link to the issue:
• Breaking new feature. If so, please describe details in the description part.

Describe the technical details -

1. Rendering the modal with the correct title and default values for all input fields.
2. Handling user interactions such as changing input fields, selecting options, and clicking buttons.
3. Checking that the closeModal and onSubmit callback functions are invoked with the correct data when the respective buttons are clicked.

Which part of the code base require a change

• Frontend: FleModal.test.js
• Backend:
• Library: <Specify the library name, e.g. npm packages>
• Plug-in: <Specify the plugin name, e.g. Webpack, jtest>
• Documentation
• Regression tests
• Continuous Integration (CI) scripts

Impact of the pull request

• Require a change on Quality of Results (QoR)
• Break backward-compatibility. If so, please list who may be influenced.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.24%. Comparing base (1cd7795) to head (2d04682).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #232      +/-   ##
==========================================
+ Coverage   68.19%   68.24%   +0.04%     
==========================================
  Files         109      109              
  Lines        8527     8527              
==========================================
+ Hits         5815     5819       +4     
+ Misses       2712     2708       -4     

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