RFR: 8281738: Create a regression test for checking the 'Space' key activation of focused Button

[Manukumar V S]

On Mon, 14 Feb 2022 14:04:33 GMT, Manukumar V S <mvs at openjdk.org> wrote:

> This test verifies in all platforms and in all 'Look and Feels' that pressing the 'Space' key generates ActionEvent on focused Button or not.

@aivanov-jdk Can you please review this.

-------------

PR: https://git.openjdk.java.net/jdk/pull/7460