PR Summary

• Removed 'fs' module import from 'gatherpress-admin.spec.js'
  This part of the code that was previously responsible for the file system operations has been removed from 'gatherpress-admin.spec.js'.

• Eliminated 'artifacts' directory checking/creation from 'gatherpress-admin.spec.js'
  We also removed the part of the code that checks if the 'artifacts' directory exists, and if not, creates it within 'gatherpress-admin.spec.js'.

• Added 'fs' module import in 'global-setup.js'
  We've incorporated the module for handling file system operations into 'global-setup.js' to centralize these operations.

• Included 'artifacts' directory checking/creation in 'global-setup.js'
  Now, the 'global-setup.js' file will be responsible for checking the existence of the 'artifacts' directory, and creating it if needed. This makes the setup of necessary structures more consistent and centralized.