run_isolated.py: install CIPD packages

client/tests/subprocess42_test.py

Index: client/tests/subprocess42_test.py
diff --git a/client/tests/subprocess42_test.py b/client/tests/subprocess42_test.py
index 2b49bed88487a9637eb682fabd61173b91d7f109..156f4433263a788bfe9f1207d13482df791a0a4f 100755
--- a/client/tests/subprocess42_test.py
+++ b/client/tests/subprocess42_test.py
@@ -665,6 +665,33 @@ class Subprocess42Test(unittest.TestCase):
       proc.kill()
       proc.wait()
 
+  def test_split(self):
+    data = [
+      ('stdout', 'o1\no2\no3\n'),
+      ('stderr', 'e1\ne2\ne3\n'),
+      ('stdout', '\n\n'),
+      ('stdout', '\n'),
+      ('stdout', 'o4\no5'),
+      ('stdout', '_sameline\nincomplete'),
+      ('stderr', 'forces previous chunk to be yielded\n'),
+      ('stdout', 'incomplete last one'),
+    ]
+    self.assertEquals(list(subprocess42.split(data)), [
+      ('stdout', 'o1'),
+      ('stdout', 'o2'),
+      ('stdout', 'o3'),
+      ('stderr', 'e1'),
+      ('stderr', 'e2'),
+      ('stderr', 'e3'),
+      ('stdout', ''),
+      ('stdout', ''),
+      ('stdout', ''),
+      ('stdout', 'o4'),
+      ('stdout', 'o5_sameline'),
+      ('stdout', 'incomplete'),
+      ('stderr', 'forces previous chunk to be yielded'),
+      ('stdout', 'incomplete last one'),
+    ])
 
 if __name__ == '__main__':
   if '-v' in sys.argv: