old_contents: // Configured for ESLint 3.15.0
  
  'use strict';
  
  module.exports = {
  
    /**
     * Allowed global variables
     */
  
    globals: {
  
      // Mocha test functions
      'it': true,
      'describe': true
  
    }
  
  };
  
new_contents: // Configured for ESLint 3.15.0
  
  'use strict';
  
  module.exports = {
  
    /**
     * Allowed JavaScript environments
     */
  
    env: {
  
      // adds all of the Mocha testing global variables
      'mocha': true
  
    }
  
  };
  
subject: Replace Mocha globals with env in .eslintrc