The following test failed in the JDK16 CI:

gtest/GTestWrapper.java

Here's a snippet from the log file:

[----------] 11 tests from os
[ RUN ] os.page_size_for_region_vm
[ OK ] os.page_size_for_region_vm (0 ms)
[ RUN ] os.page_size_for_region_aligned_vm
[ OK ] os.page_size_for_region_aligned_vm (0 ms)
[ RUN ] os.page_size_for_region_alignment_vm
[ OK ] os.page_size_for_region_alignment_vm (0 ms)
[ RUN ] os.page_size_for_region_unaligned_vm
[ OK ] os.page_size_for_region_unaligned_vm (0 ms)
[ RUN ] os.test_random
/opt/mach5/mesos/work_dir/slaves/4728e7c1-7e67-490e-be0f-6bbf2a2f33db-S103/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/a771f71b-fe39-4079-a04b-b91e83b3cffe/runs/f418d221-5388-4ed7-9121-c986a94b04ae/workspace/open/test/hotspot/gtest/runtime/test_os.cpp:134: Failure
Expected equality of these values:
  num
    Which is: 1589873406
  1043618065
bad seed
[ FAILED ] os.test_random (0 ms)
[ RUN ] os.page_size_for_region_with_zero_min_pages_vm_assert
[ OK ] os.page_size_for_region_with_zero_min_pages_vm_assert (269 ms)
[ RUN ] os.test_print_hex_dump_vm
[ OK ] os.test_print_hex_dump_vm (6 ms)
[ RUN ] os.vsnprintf_vm
[ OK ] os.vsnprintf_vm (0 ms)
[ RUN ] os.snprintf_vm
[ OK ] os.snprintf_vm (0 ms)
[ RUN ] os.jio_vsnprintf_vm
[ OK ] os.jio_vsnprintf_vm (0 ms)
[ RUN ] os.jio_snprintf_vm
[ OK ] os.jio_snprintf_vm (0 ms)
[----------] 11 tests from os (275 ms total)