Make test runner more chatty to avoid it getting killed by buildbot.

tools/testrunner/local/pool_unittest.py

Index: tools/testrunner/local/pool_unittest.py
diff --git a/tools/testrunner/local/pool_unittest.py b/tools/testrunner/local/pool_unittest.py
index bf2b3f856245677ef749b2332467a31dd4a87e05..335d20a6bf9a71a8efd476cc4b67aa83e812b801 100644
--- a/tools/testrunner/local/pool_unittest.py
+++ b/tools/testrunner/local/pool_unittest.py
@@ -17,7 +17,7 @@ class PoolTest(unittest.TestCase):
     results = set()
     pool = Pool(3)
     for result in pool.imap_unordered(Run, [[x] for x in range(0, 10)]):
-      results.add(result)
+      results.add(result.value)
     self.assertEquals(set(range(0, 10)), results)
 
   def testException(self):
@@ -25,7 +25,7 @@ class PoolTest(unittest.TestCase):
     pool = Pool(3)
     for result in pool.imap_unordered(Run, [[x] for x in range(0, 12)]):
       # Item 10 will not appear in results due to an internal exception.
-      results.add(result)
+      results.add(result.value)
     expect = set(range(0, 12))
     expect.remove(10)
     self.assertEquals(expect, results)
@@ -34,8 +34,8 @@ class PoolTest(unittest.TestCase):
     results = set()
     pool = Pool(3)
     for result in pool.imap_unordered(Run, [[x] for x in range(0, 10)]):
-      results.add(result)
-      if result < 30:
-        pool.add([result + 20])
+      results.add(result.value)
+      if result.value < 30:
+        pool.add([result.value + 20])
     self.assertEquals(set(range(0, 10) + range(20, 30) + range(40, 50)),
                       results)