The test Nestmates/methodSelection/TestInterfaceMethodSelection.java failed on the Ubuntu 24.04 with message:
----------messages:(0/0)----------
test result: Error. Parse Exception: Can't find source file: \

For the first glance it failed on compilation for the command:
 * @compile PA_I.jcod \
 * PB_A_I.jcod \
 * PB_A_PI.jcod \
 * PB_PA_I.jcod

The info from jtr-file:
javatestOS=Linux 6.8.0-57-generic (amd64)
javatestVersion=6.0-ea+b24-2025-04-09-${BUILT_FROM_COMMIT}
jtregVersion=jtreg 7.6 dev 0
script=com.sun.javatest.regtest.exec.RegressionScript
sections=script_messages
start=Mon Apr 14 15\:38\:21 PDT 2025
test=runtime/Nestmates/methodSelection/TestInterfaceMethodSelection.java
testJDK=/workloads/openjdk_ws/jdk_mainline/build/linux-x86_64-server-release/images/jdk
testJDK_OS=[name\:Linux,arch\:amd64,version\:6.8.0-57-generic,family\:linux,simple_arch\:x64,simple_version\:6.8,processors\:288,maxMemory\:540383600640,maxSwap\:0]
testJDK_os.arch=amd64
testJDK_os.name=Linux
testJDK_os.version=6.8.0-57-generic
totalTime=8

Note, test runtime/Nestmates/methodSelection/TestMethodSelection.java have same error message in output.