code: function findAfterChecks(rule) {
  	'use strict';
  
  	return axe.utils
  		.getAllChecks(rule)
  		.map(function(c) {
  			var check = rule._audit.checks[c.id || c];
  			return check && typeof check.after === 'function' ? check : null;
  		})
  		.filter(Boolean);
  }
docs: Iterates the rule's Checks looking for ones that have an after function
  @private
  @param  {Rule} rule The rule to check for after checks
  @return {Array}      Checks that have an after function