From 9ffa8cbb1110f382f4de90a535fa120f415e8d83 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Mon, 7 Mar 2016 20:27:22 +0000
Subject: [PATCH] test_loopback: bump RTT limit to 60ns.

Turns out a short jumper wire on a backplane leads to RTT of 50ns
exactly.
---
 artiq/test/coredevice/test_rtio.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/test/coredevice/test_rtio.py b/artiq/test/coredevice/test_rtio.py
index 50958392f..f68742885 100644
--- a/artiq/test/coredevice/test_rtio.py
+++ b/artiq/test/coredevice/test_rtio.py
@@ -192,7 +192,7 @@ class CoredeviceTest(ExperimentCase):
         rtt = self.dataset_mgr.get("rtt")
         print(rtt)
         self.assertGreater(rtt, 0*ns)
-        self.assertLess(rtt, 50*ns)
+        self.assertLess(rtt, 60*ns)
 
     def test_clock_generator_loopback(self):
         self.execute(ClockGeneratorLoopback)