RFR: 8282270: java/awt/Robot Screen Capture tests fail after 8280861 [v2]

[Maxim Kartashev]

On Tue, 8 Mar 2022 04:50:49 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> if the scale > 1 then you can use low precision -> if the scale is equal to 2 then shift by two/four pixels or something like that?

@mrserb I suppose I could do that, but then it wouldn't be much different from the existing tests that verify color inside a sufficiently large area. I can make this area smaller, but this still won't help to find a rounding error in `gtk3_get_drawable_data()`.

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PR: https://git.openjdk.java.net/jdk/pull/7613