<Swing Dev> RFR: 8261689: javax/swing/JComponent/7154030/bug7154030.java still fails with "Exception: Failed to hide opaque button"

[Alexander Zuev]

On Tue, 2 Mar 2021 09:15:22 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

> 8261689: javax/swing/JComponent/7154030/bug7154030.java still fails with "Exception: Failed to hide opaque button"

I finally was able to get the failure on the test system and it seems like that was a result of the incomplete drawing of the frame at the time of screenshot taking. Here's the screenshot in full resolution - note the black part at the right part of the frame.
![fullScreenInit](https://user-images.githubusercontent.com/69642324/109626290-359d2780-7af5-11eb-8138-c8dee43222a7.png)
Setting min/max size of the frame and the content pane inside it fixes the issue so after couple of hundred of the runs i see no failures. Plus in the future should failure occur we will have better information in order to analyze the failure.

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PR: https://git.openjdk.java.net/jdk/pull/2790