Don't use JDK image from `$JAVA_HOME` as a value of `--runtime-image` jpackage cli option. Use jlink to create a runtime in test work dir if the default runtime is not specified and pass the location of jlink output.
------------- Commit messages: - 8303959: tools/jpackage/share/RuntimePackageTest.java fails with java.lang.AssertionError missing files Changes: https://git.openjdk.org/jdk/pull/15971/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15971&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8303959 Stats: 22 lines in 1 file changed: 18 ins; 1 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/15971.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15971/head:pull/15971 PR: https://git.openjdk.org/jdk/pull/15971
