The environment in which I ran tests is as follows:
JDK: 20-ea
OS: Windows 10
Locale: ja

The following test failed on localized Windows platform:

com/sun/jdi/CatchCaughtTest.java
com/sun/jdi/CatchPatternTest.java
com/sun/jdi/JdbExprTest.java
com/sun/jdi/JdbMethodExitTest.java
com/sun/jdi/JdbStepTest.java
com/sun/jdi/JdbReadTwiceTest.sh
com/sun/jdi/JdbStepTest.java
com/sun/jdi/JdbStopInNotificationThreadTest.java
com/sun/jdi/JdbStopThreadidTest.java
com/sun/jdi/JdbStopThreadTest.java
com/sun/jdi/JdbVarargsTest.java
com/sun/jdi/RedefineTTYLineNumber.java

Here's a snippet from the log file of CatchCaughtTest.java:

java.lang.RuntimeException: 'Usage: catch' missing from stdout/stderr
at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:221)
at CatchCaughtTest.runCases(CatchCaughtTest.java:73)
at lib.jdb.JdbTest.run(JdbTest.java:96)
at CatchCaughtTest.main(CatchCaughtTest.java:52)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:1596)