Lanai - JPopupMenu/7154841 - no mouse events on the popup menu

The test javax/swing/JPopupMenu/7154841/bug7154841.java fails with the following output :

#section:main
----------messages:(5/183)----------
command: main bug7154841
reason: User specified action: run main bug7154841
Mode: othervm
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 15.177
----------configuration:(3/40)----------
Boot Layer
  add modules: java.desktop

----------System.out:(0/0)----------
----------System.err:(22/2968)----------
metalEnabled=1
2020-01-30 16:47:53.919 java[22516:1098016] CoreText note: Client requested name ".SFNS-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2020-01-30 16:47:53.919 java[22516:1098016] CoreText note: Set a breakpoint on CTFontLogSystemFontNameRequest to debug.
2020-01-30 16:47:53.920 java[22516:1098016] CoreText note: Client requested name ".SFNS-Bold", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2020-01-30 16:47:53.920 java[22516:1098016] CoreText note: Client requested name ".SFNSMono-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2020-01-30 16:47:53.924 java[22516:1098016] CoreText note: Client requested name ".SFNSMono-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2020-01-30 16:47:53.924 java[22516:1098016] CoreText note: Client requested name ".SFNSMono-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2020-01-30 16:47:53.928 java[22516:1098016] CoreText note: Client requested name ".SFNS-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2020-01-30 16:47:53.928 java[22516:1098016] CoreText note: Client requested name ".SFNS-Bold", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
java.lang.RuntimeException: Failed: no mouse events on the popup menu
at bug7154841.main(bug7154841.java:100)
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.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Failed: no mouse events on the popup menu
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Failed: no mouse events on the popup menu

The failure was not observed on OpenJDK builds jdk-14-ea+33_osx-x64, jdk-15-ea+7_osx-x64

Please note items of the popup menu overlap each other on lanai-builds while they look well on jdk14, jdk15

The reproducibility: 100%
Steps to reproduce:

$ jtreg -Dsun.java2d.metal=true -testjdk:[path_to_lanai_home] test/jdk/javax/swing/JPopupMenu/7154841/bug7154841.java.bug7154841