tests: Fix logs being truncated after one minute.
tests: Fix logs being truncated after one minute.

Changelog: None

Signed-off-by: Kristian Amlie <505e66ae45028a0596c853559221f0b72c1cee21@northern.tech>

GregorioDiStefano/integration,pasinskim/integration,pasinskim/integration,GregorioDiStefano/integration,pasinskim/integration