How to make Behat wait for an AJAX call?

Question

Scenario: Modify and save an incomplete change to a Campaign

Given I click on the Campaign section folder
And I press Save in the selected Campaign
Then I sh         


        

Answer 1

In case you are using Prototypejs (e.g Magento), the equivalent code is:

public function iShouldSeeAnErrorBalloon($title)
{
    $this->getSession()->wait($duration, '(0 === Ajax.activeRequestCount)');
    // asserts below
}