This CL updates the parallel job library in the au test harness to be more robust.

au_test_harness/au_test.py

Index: au_test_harness/au_test.py
diff --git a/au_test_harness/au_test.py b/au_test_harness/au_test.py
index cc161e042dc3b32ef923e5dd2ba50b1f04c32fe3..69df8208451625795ffd2efe8b720b46f48c4c71 100644
--- a/au_test_harness/au_test.py
+++ b/au_test_harness/au_test.py
@@ -131,7 +131,7 @@ class AUTest(unittest.TestCase):
     This test checks that we can update by updating the stateful partition
     rather than wiping it.
     """
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9222)
     # Just make sure some tests pass on original image.  Some old images
     # don't pass many tests.
     self.worker.PrepareBase(self.base_image_path)
@@ -153,7 +153,7 @@ class AUTest(unittest.TestCase):
     This test checks that we can update successfully after wiping the
     stateful partition.
     """
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9223)
     # Just make sure some tests pass on original image.  Some old images
     # don't pass many tests.
     self.worker.PrepareBase(self.base_image_path)
@@ -201,7 +201,7 @@ class AUTest(unittest.TestCase):
         self.data_size += len(data)
         return data
 
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9224)
     self.AttemptUpdateWithFilter(InterruptionFilter(), proxy_port=8082)
 
   def testDelayedUpdate(self):
@@ -232,7 +232,7 @@ class AUTest(unittest.TestCase):
         self.data_size += len(data)
         return data
 
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9225)
     self.AttemptUpdateWithFilter(DelayedFilter(), proxy_port=8083)
 
   def SimpleTest(self):
@@ -241,7 +241,7 @@ class AUTest(unittest.TestCase):
     We explicitly don't use test prefix so that isn't run by default.  Can be
     run using test_prefix option.
     """
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9226)
     self.worker.PrepareBase(self.base_image_path)
     self.worker.PerformUpdate(self.target_image_path, self.base_image_path)
     self.worker.VerifyImage(self)
@@ -251,7 +251,7 @@ class AUTest(unittest.TestCase):
   # TODO(sosa): Get test to work with verbose.
   def NotestPartialUpdate(self):
     """Tests what happens if we attempt to update with a truncated payload."""
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9227)
     # Preload with the version we are trying to test.
     self.worker.PrepareBase(self.target_image_path)
 
@@ -270,7 +270,7 @@ class AUTest(unittest.TestCase):
   # TODO(sosa): Get test to work with verbose.
   def NotestCorruptedUpdate(self):
     """Tests what happens if we attempt to update with a corrupted payload."""
-    self.worker.InitializeResultsDirectory()
+    self.worker.Initialize(9228)
     # Preload with the version we are trying to test.
     self.worker.PrepareBase(self.target_image_path)