javax/swing/border/TestTitledBorderLeak.java fails with "RuntimeException: Memory halved: there's a leak"

The following test failed in the JDK19 CI:

javax/swing/border/TestTitledBorderLeak.java

Here's a snippet from the log file:

#section:main
----------messages:(5/247)----------
command: main -Xmx10M TestTitledBorderLeak
reason: User specified action: run main/othervm -Xmx10M TestTitledBorderLeak
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 1.801
----------configuration:(3/40)----------
Boot Layer
  add modules: java.desktop

----------System.out:(82/2123)----------
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----------System.err:(11/657)----------
java.lang.RuntimeException: Memory halved: there's a leak
at TestTitledBorderLeak.main(TestTitledBorderLeak.java:46)
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)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Memory halved: there's a leak
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Memory halved: there's a leak
----------rerun:(36/5031)*----------