The following test fails in the JDK17 CI:

java/awt/font/TextLayout/LigatureCaretTest.java

Here's a snippet from the log file:

#section:main
----------messages:(5/213)----------
command: main LigatureCaretTest
reason: Assumed action based on file name: run main LigatureCaretTest
Mode: othervm
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 1.048
----------configuration:(3/43)----------
Boot Layer
  add modules: java.desktop

----------System.out:(0/0)----------
----------System.err:(14/903)----------
java.lang.Error: Left hit failed. Hit:TextHitInfo[1L]
at LigatureCaretTest.testLamAlef(LigatureCaretTest.java:151)
at LigatureCaretTest.main(LigatureCaretTest.java:56)
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:568)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:831)

JavaTest Message: Test threw exception: java.lang.Error: Left hit failed. Hit:TextHitInfo[1L]
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Error: Left hit failed. Hit:TextHitInfo[1L]
----------rerun:(41/4639)*----------