RFR: 8345144: Robot does not specify all causes of IllegalThreadStateException

[Alexander Zvegintsev]

On Mon, 9 Dec 2024 20:47:07 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

> ```
> public void delay(int ms) {
>     if (isEventDispatchThread()) {
>         throw new IllegalThreadStateException("delay() called on EDT");
>     }
> ```

There is already a `checkNotDispatchThread` method, so we can reuse it.

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PR Comment: https://git.openjdk.org/jdk/pull/22564#issuecomment-2531663053