test_efi_selftest occasionally fails on qemu-x86?

[Bin Meng]

Hi,

Please check the log:
https://dev.azure.com/bmeng/GitHub/_build/results?buildId=302&view=logs&j=cf9e8018-ed89-5c32-5567-a8524d857521&t=4197aefe-2a0c-53e5-5744-78f78ce6022b

Re-run the pipeline with the same commit, the tests pass.
https://dev.azure.com/bmeng/GitHub/_build/results?buildId=304&view=logs&j=cf9e8018-ed89-5c32-5567-a8524d857521&t=4197aefe-2a0c-53e5-5744-78f78ce6022b

There might be some instability on qemu-x86 with efi_selftest. Any ideas?

Regards,
Bin