MRP-2037 tests: hsm copytool_cleanup improvement

hsm shutdown from copytool_cleanup could race with
cdt_set_mount_state enabled. Because set_param -P
doesn't wait when configuration "params" will be
retrieved and applied from server.

Change-Id: I2f274c933986439deae04cd252b4dd9c8442ef1f
Signed-off-by: Sergey Cheremencev <sergey.cheremencev@seagate.com>
Reviewed-on: http://es-gerrit.xyus.xyratex.com:8080/4409
Tested-by: Jenkins
Reviewed-by: Alexander Zarochentsev <alexander_zarochentsev@xyratex.com>
Reviewed-by: Artem Blagodarenko <artem_blagodarenko@xyratex.com>
Tested-by: Elena Gryaznova <elena.gryaznova@seagate.com>
Reviewed-by: Vitaly Fertman <vitaly.fertman@seagate.com>