fix test with 33 progress and get status from correct collection

 * using a previous buffer, starting the data collection should keep
   the progress at 33, not go back to 0
 * data collection status should be checked for collection 5, not 4
SCATTER-278 & SCATTER-291
Update the status to RUNNING with 0 progress at start of each data collection
Update the status to RUNNING with 33 progress for data collection using the previous buffer