[storage/iscsi/params]: max_duration from 30 to 45 minutes
[storage/iscsi/params]: max_duration from 30 to 45 minutes to cover failing edge-cases where test is not able to not finish in time.
[storage/iscsi/params]: max_duration from 30 to 45 minutes to cover failing edge-cases where test is not able to not finish in time.