test_suite: increase wait times
test_suite: fix: patching of too short log files
test_suite: fix: unmount after stopping write access to /dev/mars/* to avoid writes caused by sync
test_suite: add two hosts to performance table
test_suite: fix: remove trailing blank
test_suite: fix: mount before write
test_suite: fix: wait for end of sync only
test_suite: add 2 hosts to performance table
test_suite: fix: missing entries in performance test tables
test_suite: make host list rewritable via environment variables
test_suite: make a suggestion for the default set of test cases.