firmware_Cr50DeepSleepStress: wait 1min for DUT response

Wait up to one minute for DUT to respond after disabling ccd.

BUG=none
BRANCH=none
TEST=run on bob

Change-Id: I9372882367f641c16d5c1670e129d16223c0284c
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1679534
Reviewed-by: Aadit Maheshkumar Modi <modia@chromium.org>
diff --git a/server/site_tests/firmware_Cr50DeepSleepStress/firmware_Cr50DeepSleepStress.py b/server/site_tests/firmware_Cr50DeepSleepStress/firmware_Cr50DeepSleepStress.py
index f5a7972..6b66a00 100644
--- a/server/site_tests/firmware_Cr50DeepSleepStress/firmware_Cr50DeepSleepStress.py
+++ b/server/site_tests/firmware_Cr50DeepSleepStress/firmware_Cr50DeepSleepStress.py
@@ -110,7 +110,7 @@
         # power suspend stress needs to ssh into the DUT. If ethernet goes
         # down, raise a test error, so we can tell the difference between
         # dts ethernet issues and the dut going down during the suspend stress.
-        if not host.ping_wait_up(self.faft_config.delay_reboot_to_ping):
+        if not host.ping_wait_up(60):
             raise error.TestError('DUT is not pingable after disabling ccd')
 
         # Duration is set to 0, because it is required but unused when