Peter Xu a47295014d migration-test: Only hide error if !QTEST_LOG
The errors are very useful when debugging qtest failures, especially when
QTEST_LOG=1 is set.  Let's allow override MigrateStart.hide_stderr when
QTEST_LOG=1 is specified, because that means the user wants to be verbose.

Not very nice to introduce the first QTEST_LOG env access in migration-test.c,
however it should be handy.  Without this patch, I was hacking error_report()
when debugging such errors.  Let's make things easier.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20201021212721.440373-7-peterx@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-10-26 16:15:04 +00:00
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