Issue #3245014: Fix slow array function in loop (EXCEPT K8s)

modules/cloud_service_providers/aws_cloud/tests/src/Functional/Ec2/VolumeAttachDetachTest.php

@@ -192,7 +192,9 @@ class VolumeAttachDetachTest extends AwsCloudTestBase {
       }
 
       $total_count += $volumes_count;
-      $total_volumes = array_merge($total_volumes, $volumes);
+      foreach ($volumes ?: [] as $volume) {
+        $total_volumes[] = $volume;
+      }
 
       $this->drupalGet("/clouds/aws_cloud/$cloud_context/volume");