[COMPLIANCE] Add Copyright and License Headers (#2317)

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>

ui/admin/tests/acceptance/storage-buckets/selectors.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 export const SAVE_BTN = '[type=submit]';
 export const CANCEL_BTN = '.rose-form-actions [type=button]';
 export const EDIT_BTN = '.rose-form-actions [type=button]';