gc/arguments/TestTargetSurvivorRatioFlag.java failed with "RuntimeException: Survivor space usage ratio expected to be close to 20, but observed ratio is: 0.003204345703125"

The following test failed in the JDK17 CI:

gc/arguments/TestTargetSurvivorRatioFlag.java

Here's a snippet from the log file:

----------System.err:(13/921)----------
java.lang.RuntimeException: Survivor space usage ratio expected to be close to 20, but observed ratio is: 0.003204345703125
at gc.arguments.TestTargetSurvivorRatioFlag.positiveTest(TestTargetSurvivorRatioFlag.java:178)
at gc.arguments.TestTargetSurvivorRatioFlag.main(TestTargetSurvivorRatioFlag.java:102)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:831)

JavaTest Message: Test threw exception: java.lang.RuntimeException