Change timeout since we're running more things in parallel.

New code has a new test with new signed payload test increasing timeout
slightly.

BUG=None
TEST=pyflakes

Change-Id: I067e412c80e191d3233008b50ca4cc0369ef0b77
Reviewed-on: http://gerrit.chromium.org/gerrit/7474
Reviewed-by: Chris Sosa <sosa@chromium.org>
Tested-by: Chris Sosa <sosa@chromium.org>
diff --git a/lib/parallel_test_job.py b/lib/parallel_test_job.py
index 589b0af..4732369 100644
--- a/lib/parallel_test_job.py
+++ b/lib/parallel_test_job.py
@@ -18,7 +18,7 @@
 class ParallelJob(multiprocessing.Process):
   """Small wrapper for Process that stores output of its target method."""
 
-  MAX_TIMEOUT_SECONDS = 1800
+  MAX_TIMEOUT_SECONDS = 2400
   SLEEP_TIMEOUT_SECONDS = 180
 
   def __init__(self, starting_semaphore, target, args):