Index: pool.py
===================================================================
--- pool.py	(revision 78245)
+++ pool.py	(working copy)
@@ -169,6 +169,8 @@
             w.name = w.name.replace('Process', 'PoolWorker')
             w.daemon = True
             w.start()
+            # This 'fixes' the issue. Not meant as a real fix:
+            time.sleep(0.1)
             debug('added worker')
 
     def _maintain_pool(self):
Index: process.py
===================================================================
--- process.py	(revision 78245)
+++ process.py	(working copy)
@@ -178,8 +178,10 @@
 
     @property
     def ident(self):
+        # This is the problem. The test tries to use the pid when the process
+        # has not started yet.
         '''
-        Return indentifier (PID) of process or `None` if it has yet to start
+        Return identifier (PID) of process or `None` if it has yet to start
         '''
         if self is _current_process:
             return os.getpid()