RFR: 8306681: Open source more AWT DnD related tests

[Sergey Bylokhov]

On Wed, 26 Apr 2023 18:00:14 GMT, Damon Nguyen <dnguyen at openjdk.org> wrote:

> This PR open sources more AWT DnD related tests

test/jdk/java/awt/dnd/ZeroFormatTransferableTest.java line 82:

> 80:         throw new UnsupportedFlavorException(df);
> 81:     }
> 82: }

There is no new line at the end of each file?

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PR Review Comment: https://git.openjdk.org/jdk/pull/13674#discussion_r1178446243