Tweak a timing-sensitive test.

This one seems especially flaky on appveyor.

diff --git a/tornado/test/testing_test.py b/tornado/test/testing_test.py
index bcea4d252fcb9540f531a217dba33e3eee9d6562..ded2569b8875f1def3971d4ce541eb2fa83907c2 100644 (file)
--- a/tornado/test/testing_test.py
+++ b/tornado/test/testing_test.py
@@ -58,7 +58,7 @@ class AsyncTestCaseTest(AsyncTestCase):
         This test makes sure that a second call to wait()
         clears the first timeout.
         """
-        self.io_loop.add_timeout(self.io_loop.time() + 0.01, self.stop)
+        self.io_loop.add_timeout(self.io_loop.time() + 0.00, self.stop)
         self.wait(timeout=0.02)
         self.io_loop.add_timeout(self.io_loop.time() + 0.03, self.stop)
         self.wait(timeout=0.15)