MTO-136: [Test] Captcha on Contact Us form

- Add telephone number to fixture if it is defined.

Author: SiarheiAndreyeu

dev/tests/functional/tests/app/Magento/Contact/Test/Fixture/Comment/Customer.php

@@ -69,8 +69,11 @@ public function getData($key = null)
             $this->data = [
                 'firstname' => $customer->getFirstname(),
                 'email' => $customer->getEmail(),
-                'telephone' => $customer->hasData('telephone') ? $customer->getData('telephone') : ''
             ];
+
+            if ($customer->hasData('telephone')) {
+                $this->data['telephone'] = $customer->getData('telephone');
+            }
         }
 
         return parent::getData($key);