PMM-7 migrated PMM container components tests to unittest #298

Job	Run time
bats-testsuite / cli-tests (ps5.7)	5m 5s
bats-testsuite / cli-tests (ps8)	5m 48s
bats-testsuite / cli-tests (ms8.0)	7m 31s
bats-testsuite / cli-tests (pdpgsql13)	5m 12s
bats-testsuite / cli-tests (pdpgsql14)	6m 11s
bats-testsuite / cli-tests (pdpgsql15)	5m 33s
bats-testsuite / cli-tests (modb4.4)	4m 18s
bats-testsuite / cli-tests (modb5)	5m 5s
bats-testsuite / cli-tests (modb6)	4m 33s
bats-testsuite / cli-tests (help)	3m 49s
bats-testsuite / cli-tests (generic)	4m 40s
bats-testsuite / cli-tests (clientContainer)	6m 52s
bats-testsuite / cli-tests (haproxy)	8m 2s
bats-testsuite / cli-tests (proxysql)	8m 4s
bats-testsuite / cli-tests (remove)	5m 24s
	1h 26m 7s

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