fbgofmt - Run on 1.18

Summary:
Moving to 1.18 adds changes that were introduced in 1.17 for how build directives are done

(Note: this ignores all push blocking failures!)

Reviewed By: leoleovich

Differential Revision: D36413024

fbshipit-source-id: 5cadab352ae2380566a7fb4810582ededceaea7f

Author: trynity

integration_test.go

@@ -1,4 +1,6 @@
+//go:build integration
 // +build integration
+
 // Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 package witai