The following test failed in the JDK18 CI:

gtest/GTestWrapper.java

Here's a snippet from the log file:

[----------] Global test environment tear-down
[==========] 794 tests from 141 test cases ran. (34049 ms total)
[ PASSED ] 793 tests.
[ FAILED ] 1 test, listed below:
[ FAILED ] InstanceKlass.class_loader_printer_vm

 1 FAILED TEST
  YOU HAVE 8 DISABLED TESTS

Warning: asynclog is OFF.
Warning: asynclog is OFF.
Warning: asynclog is OFF.
Java HotSpot(TM) 64-Bit Server VM warning: printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output
Java HotSpot(TM) 64-Bit Server VM warning: printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output
ERROR: RUN_ALL_TESTS() failed. Error 1

[2021-07-23T12:44:55.091460480Z] Waiting for completion for process 29880
[2021-07-23T12:44:55.091596868Z] Waiting for completion finished for process 29880
----------System.err:(12/779)----------
java.lang.AssertionError: gtest execution failed; exit code = 2. the failed tests: [InstanceKlass::class_loader_printer_vm]
at GTestWrapper.main(GTestWrapper.java:98)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:833)

JavaTest Message: Test threw exception: java.lang.AssertionError
JavaTest Message: shutting down test