Add support for running using tmt

[jamacku]

No description provided.

[jamacku]

@lzaoral, could you please review this PR? Thanks

[lzaoral]

The test logs contain following errors:

:: [ 12:14:36 ] :: [   PASS   ] :: NEW_FOLLOWER	link: /tmp/tmp.nmaS2fKnwG/link_a/follower_a (Expected 0, got 0)
basename: missing operand
Try 'basename --help' for more information.

:: [ 12:14:36 ] :: [   PASS   ] :: Mode: (Assert: 'auto' should equal 'auto')
...
./test-alternatives.sh: line 310: rlPhase: command not found

Unfortunately, beakerlib is not compatible with set -e so we can't catch such errors this way. :/

[jamacku]

The test logs contain following errors:

./test-alternatives.sh: line 310: rlPhase: command not found

@lzaoral Thank you for noticing this error! It should be fixed now.

[lzaoral]

Thank you for the update, @jamacku! Unfortuantely, the basename error in the last phase is still present:

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
::   Dynamic Follower Remove
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

:: [ 13:12:53 ] :: [  BEGIN   ] :: NEW	link: link_a	Prio: 10	Family:  :: actually running 'alternatives --altdir /tmp/tmp.G6lNXfm3rY --admindir /tmp/tmp.Cj5OGoKIB9 --install /tmp/tmp.Q0AgP9k3Z8/main_link TEST /tmp/tmp.Q0AgP9k3Z8/link_a/main 10 --slave /tmp/tmp.Q0AgP9k3Z8/follower_link STEST /tmp/tmp.Q0AgP9k3Z8/link_a/follower '
:: [ 13:12:53 ] :: [   PASS   ] :: NEW	link: link_a	Prio: 10	Family:  (Expected 0, got 0)
:: [ 13:12:54 ] :: [  BEGIN   ] :: NEW_FOLLOWER	link: /tmp/tmp.Q0AgP9k3Z8/link_a/follower_a :: actually running 'alternatives --altdir /tmp/tmp.G6lNXfm3rY --admindir /tmp/tmp.Cj5OGoKIB9 --add-slave TEST /tmp/tmp.Q0AgP9k3Z8/link_a/main /tmp/tmp.Q0AgP9k3Z8/follower_link STEST /tmp/tmp.Q0AgP9k3Z8/link_a/follower_a'
:: [ 13:12:54 ] :: [   PASS   ] :: NEW_FOLLOWER	link: /tmp/tmp.Q0AgP9k3Z8/link_a/follower_a (Expected 0, got 0)
:: [ 13:12:54 ] :: [  BEGIN   ] :: NEW_FOLLOWER	link: /tmp/tmp.Q0AgP9k3Z8/link_a/follower_a :: actually running 'alternatives --altdir /tmp/tmp.G6lNXfm3rY --admindir /tmp/tmp.Cj5OGoKIB9 --remove-slave TEST /tmp/tmp.Q0AgP9k3Z8/link_a/main STEST'
:: [ 13:12:54 ] :: [   PASS   ] :: NEW_FOLLOWER	link: /tmp/tmp.Q0AgP9k3Z8/link_a/follower_a (Expected 0, got 0)
basename: missing operand
Try 'basename --help' for more information.

:: [ 13:12:54 ] :: [   PASS   ] :: Mode: (Assert: 'auto' should equal 'auto')
:: [ 13:12:54 ] :: [   PASS   ] :: Highest Priority: (Assert: 'link_a' should equal 'link_a')
:: [ 13:12:54 ] :: [   PASS   ] :: Selected: (Assert: 'link_a' should equal 'link_a')
:: [ 13:12:54 ] :: [   PASS   ] :: Follower: (Assert: '' should equal '')
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
::   Duration: 1s
::   Assertions: 7 good, 0 bad
::   RESULT: PASS (Dynamic Follower Remove)