test: fix comment of fs.promises write

PR-URL: #21708
Reviewed-By: Franziska Hinkelmann <[email protected]>
Reviewed-By: Shingo Inoue <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>

test/parallel/test-fs-promises-file-handle-write.js

@@ -3,7 +3,7 @@
 const common = require('../common');
 
 // The following tests validate base functionality for the fs.promises
-// FileHandle.read method.
+// FileHandle.write method.
 
 const fs = require('fs');
 const { open } = fs.promises;