Change the way getName() is called to get rid of a PHPStan error

[MAILPOET-4695]

mailpoet/tasks/phpstan/phpstan.neon

@@ -64,10 +64,6 @@ parameters:
       message: '/^Call to function method_exists\(\) with/'
       count: 2
       path: ../../lib/WooCommerce/Helper.php
-    -
-      message: '/^Call to an undefined method Codeception\\TestInterface::getName()./'
-      count: 1
-      path: ../../tests/_support/CheckSkippedTestsExtension.php
 
   reportUnmatchedIgnoredErrors: true
   dynamicConstantNames:

mailpoet/tests/_support/CheckSkippedTestsExtension.php

@@ -12,7 +12,7 @@ class CheckSkippedTestsExtension extends Extension {
 
   public function checkSkippedTests(FailEvent $event) {
     $branch = getenv('CIRCLE_BRANCH');
-    $testName = $event->getTest()->getName();
+    $testName = $event->getTest()->getMetadata()->getName();
 
     // list of tests that are allowed to be skipped on trunk and release branches
     $allowedToSkipList = ['createSubscriptionSegmentForActiveSubscriptions'];