RFR: 8371503: RETAIN_IMAGE_AFTER_TEST do not work for some tests

[SendaoYan]

On Sat, 8 Nov 2025 08:10:45 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> The DockerTestUtils.RETAIN_IMAGE_AFTER_TEST variable which read the property from "jdk.test.docker.retain.image" do not work for some of the docker tests, such as jdk/internal/platform/docker/TestDockerCpuMetrics.java, only works for some of the docker tests, such as jdk/internal/platform/docker/TestPidsLimit.java.
> 
> This PR read the DockerTestUtils.RETAIN_IMAGE_AFTER_TEST inside function removeDockerImage instead of before all the fucntion removeDockerImage. This will make all the docker tests receive the property jdk.test.docker.retain.image.
> 
> Change has been verified locally on linux-x64 by run the all touched tests.

Looking for 2rd reviewer, since this PR touch files in hotspot directory?

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PR Comment: https://git.openjdk.org/jdk/pull/28208#issuecomment-3652648703