vmTestbase/jit/tiered/Test.java failure after JDK-8237798

# vmTestbase/jit/tiered/Test.java failure in JDK 15 CI testing

#log -
.....
execStatus=Failed. Execution failed\: `main' threw exception\: java.lang.RuntimeException\: '^[0-9.]+\: \\[compile level\=\\d' found in stdout
....
 stderr: [Java HotSpot(TM) 64-Bit Server VM warning: Disabling tiered compilation with non-native JVMCI compiler is not recommended. Turning on tiered compilation and disabling intermediate compilation levels instead.
....
java.lang.RuntimeException: '^[0-9.]+: \\[compile level=\\d' found in stdout

at jdk.test.lib.process.OutputAnalyzer.stdoutShouldNotMatch(OutputAnalyzer.java:388)
at vmTestbase.jit.tiered.Test.main(Test.java:73)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:832)
JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test
result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: '^[0-9.]+: \[compile level=\d' found in stdout
test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: '^[0-9.]+: \[compile level=\d' found in stdout