tests: raise the timeout on pollmixin from 100s to 1000s -- it looks like it may have triggered too eagerly on Zandr's 266 MHz armel

src/allmydata/util/pollmixin.py

@@ -11,7 +11,7 @@ class PollComplete(Exception):
 class PollMixin:
     _poll_should_ignore_these_errors = []
 
-    def poll(self, check_f, pollinterval=0.01, timeout=100):
+    def poll(self, check_f, pollinterval=0.01, timeout=1000):
         # Return a Deferred, then call check_f periodically until it returns
         # True, at which point the Deferred will fire.. If check_f raises an
         # exception, the Deferred will errback. If the check_f does not