MAGETWO-55950: Automate Create new Email Template test

- fixing static code analysis comments.

Author: ielkhalifa

dev/tests/functional/tests/app/Magento/Email/Test/Constraint/AssertEmailTemplateSuccessSaveMessage.php

@@ -39,4 +39,4 @@ public function toString()
     {
         return 'Assert that success message is displayed.';
     }
-}
+}

dev/tests/functional/tests/app/Magento/Email/Test/TestCase/CreateEmailTemplateEntityTest.php

@@ -63,15 +63,15 @@ public function __inject(
     }
 
     /**
-     * @param EmailTemplate $EmailTemplate
+     * @param EmailTemplate $emailTemplate
      */
 
-    public function test(EmailTemplate $EmailTemplate)
+    public function test(EmailTemplate $emailTemplate)
     {
         $this->emailTemplateIndex->open();
         $this->emailTemplateIndex->getPageActionsBlock()->addNew();
-        $this->emailTemplateNew->getTemplateForm()->fill($EmailTemplate);
+        $this->emailTemplateNew->getTemplateForm()->fill($emailTemplate);
         $this->emailTemplateNew->getTemplateForm()->clickLoadTemplate();
         $this->emailTemplateNew->getFormPageActions()->save();
     }
-}
+}