Issue #3293000: Comply with Drupal coding standards as hot-fix

modules/cloud_service_providers/k8s/tests/src/Behat/features/templates/K8s-ATDD-02-09-OperatePersistentVolumes.feature

@@ -47,7 +47,7 @@ Feature: Create, read, update and delete a persistent volume for K8s as "Authent
     Given I am logged in as user "{{ user_name }}"
     When I visit "/clouds/k8s/{{ cloud_context }}/persistent_volume"
     And I click "Refresh"
-    And I wait {{ wait }} milliseconds  
+    And I wait {{ wait }} milliseconds
     And I should see the link "{{ persistent_volume_name }}"
     And I click "{{ persistent_volume_name }}"
     Then the url should match "/clouds/k8s/{{ cloud_context }}/persistent_volume/"
@@ -74,7 +74,7 @@ Feature: Create, read, update and delete a persistent volume for K8s as "Authent
     And I should see the success message "has been updated"
     And I should see neither error nor warning messages
     And I should see "{{ persistent_volume_name }}"
-    And I should see "{{ volume_capacity_edit }}"    
+    And I should see "{{ volume_capacity_edit }}"
 
   @api @javascript
   Scenario: Delete the persistent volume