RFR: 8328194: Add a test to check default rendering engine

[Phil Race]

On Sun, 17 Mar 2024 08:53:21 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> > We don't have any others in JDK 23, so I am not sure what this test does for us.
> 
> Right now it is not useful, but that is the same story we had in OpenJDK 8 - only the one engine for years, and then the engine "accidentally" changed to marlin. This test will help to catch such bugs.

Ok ...

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PR Comment: https://git.openjdk.org/jdk/pull/18313#issuecomment-2010885381