before this change, if the object_store test fails, the tempdir
will be preserved. and if our CI test pipeline is used to perform
the test, the test job would scan for the artifacts, and if the
test in question fails, it would take over 1 hour to scan the tempdir.
to alleviate the pain, let's just keep the scylla logging file
no matter the test fails or succeeds. so that jenkins can scan the
artifacts faster if the test fails.
Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>
Closes#14880
d4ee84ee1e