RFR: 8273507: Convert test/jdk/java/nio/channels/Channels/TransferTo.java to TestNG test [v4]

[Markus KARG]

On Fri, 1 Oct 2021 15:08:42 GMT, Markus KARG <duke at openjdk.java.net> wrote:

> On a process level, it would be better to wait for feedback on changes before integrating. This is especially so as a sponsor has to be comfortable with the content. Ideally at least one approval should be associated with the most recent commit.

@bplb I don't want to make it wrong again, but I think this time I am right that I can integrate *right now* (even I pushed more comments requested by you), as you approved this PR *directly after* you requested that comments. If not, please directly tell me how to otherwise understand your approval. Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/5421