Apply fixes from StyleCI

[mechelon]

This pull request applies code style fixes from an analysis carried out by StyleCI.

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[what-the-diff]

PR Summary

• Removed HandlingException from the use statement
  Cleaned up the code by removing an unnecessary statement
• Changed closure to an anonymous function
  Simplified the code for better readability
• Added parenthesis to address PHPStorm syntax warnings
  Resolved a syntax error warning in the test file for better development experience
• Fixed typo in test name and description
  Corrected a typo to ensure proper understanding of the test case