Howto add new lsblk test:
* run mk-input.sh <testname>
* copy testname.tar.xz file to tests/ts/lsblk/dumps
* copy lsblk-* files from the tarball to tests/expected/lsblk/
* run ./tests/run.sh lsblk
* git add tests/ts/lsblk/testname.tar.xz
git add tests/expected/lsblk/lsblk-testname*
Note that we do not use directly lsblk-* from the tarball. It's better to keep
copy of the files in the tests/expected/lsblk/, because output formatting may
be different in the current version. The version in the tarball is just initial
hint only.
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