cr50: search for something more specific than .*>

BUG=b:80201548
BRANCH=none
TEST=run firmware_Cr50OpenWhileAPOff firmware_Cr50RMAOpen
firmware_Cr50Testlab firmware_Cr50Open firmware_Cr50Update

Change-Id: I4ffc4806991fd17cf3bdd094817de52f5cfe70c0
Signed-off-by: Mary Ruthven <mruthven@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1074374
Tested-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Reviewed-by: Kevin Shelton <kmshelton@chromium.org>
Commit-Queue: Mary Ruthven <mruthven@chromium.org>
diff --git a/server/site_tests/firmware_Cr50RMAOpen/firmware_Cr50RMAOpen.py b/server/site_tests/firmware_Cr50RMAOpen/firmware_Cr50RMAOpen.py
index e79cd68..aecb64b 100644
--- a/server/site_tests/firmware_Cr50RMAOpen/firmware_Cr50RMAOpen.py
+++ b/server/site_tests/firmware_Cr50RMAOpen/firmware_Cr50RMAOpen.py
@@ -231,7 +231,7 @@
         # disable
         if not unsupported_key:
             logging.info(self.cr50.send_command_get_output('wp enable',
-                    ['.*>']))
+                    ['wp.*>']))
 
         # Run RMA disable to reset the capabilities.
         self.rma_ap(disable=True, expected_exit_status=exit_status)