RFR: 8306838: GetGraphicsTest needs to be headful

[Jie Fu]

On Tue, 25 Apr 2023 12:43:42 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> Newly added GetGraphicsTest should be headful as it uses a Frame
> 
> 
> java.awt.HeadlessException:
> No X11 DISPLAY variable was set,
> or no headful library support was found,
> but this program performed an operation which requires it,
> 
> at java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:166)
> at java.desktop/java.awt.Window.<init>(Window.java:553)
> at java.desktop/java.awt.Frame.<init>(Frame.java:428)
> at java.desktop/java.awt.Frame.<init>(Frame.java:393)
> at GetGraphicsTest.<init>(GetGraphicsTest.java:35)
> at GetGraphicsTest.main(GetGraphicsTest.java:47)

LGTM

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Marked as reviewed by jiefu (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/13639#pullrequestreview-1399987464