fix tests

tests/Unit/Services/BroadcastEmail/BroadcastEmailSenderOptionsServiceTest.php

@@ -12,12 +12,12 @@ class BroadcastEmailSenderOptionsServiceTest extends TestCase
         $old = getenv('MAIL_SENDERS') ?: '';
         putenv('MAIL_SENDERS={"general":{"name":"Office","email":"office@example.com"}}');
 
-        $service = new BroadcastEmailSenderOptionsService();
+        $service = new BroadcastEmailSenderOptionsService;
         $options = $service->listOptions();
 
         $this->assertSame('general', $options[0]['key']);
         $this->assertSame('Office <office@example.com>', $options[0]['label']);
 
-        putenv('MAIL_SENDERS=' . $old);
+        putenv('MAIL_SENDERS='.$old);
     }
 }