The test java/lang/System/OsVersionTest.java fails on macOS Big Sur Betta (20A5374i) with the following exception:

#section:main
----------messages:(4/127)----------
command: main OsVersionTest
reason: User specified action: run main OsVersionTest
Mode: othervm
elapsed time (seconds): 0.225
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(13/748)----------
java.lang.Error: 10.16 != 11.0
at OsVersionTest.main(OsVersionTest.java:54)
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:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:834)

JavaTest Message: Test threw exception: java.lang.Error: 10.16 != 11.0

Reproducibility: 100%
How to reproduce:

$ jtreg -testjdk:<path_to_jdk> test/jdk/java/lang/System/OsVersionTest.java