/**
  * Assert that customer group is set to default on customer form.
  *
  * @param Customer $customer
  * @param CustomerGroup $defaultCustomerGroup
  * @param CustomerIndexNew $customerIndexNew
  * @param CustomerIndexNew $customerIndexEdit
  * @return void
  */
 public function processAssert(Customer $customer, CustomerGroup $defaultCustomerGroup, CustomerIndexNew $customerIndexNew, CustomerIndexNew $customerIndexEdit)
 {
     $customerIndexEdit->open(['id' => $customer->getId()]);
     $customerFormData = $customerIndexNew->getCustomerForm()->getData();
     \PHPUnit_Framework_Assert::assertTrue($customerFormData['group_id'] == $defaultCustomerGroup->getCustomerGroupCode(), "Customer group not set to default after group was deleted.");
 }