Added testcase for verifying the reboot operation on reboot page

Change-Id: Iecd4f1c05beb4932ae9387831e852a3185ca0ecc
Signed-off-by: Ashwini Chandrappa <Ashwini.Chandrappa777@ibm.com>
diff --git a/lib/common_utils.robot b/lib/common_utils.robot
index e9bbfaa..6c19021 100755
--- a/lib/common_utils.robot
+++ b/lib/common_utils.robot
@@ -967,3 +967,11 @@
     ${properties}=  Read Properties  /xyz/openbmc_project/watchdog/host0
     Should Be Equal As Strings  ${properties["Enabled"]}  ${True}
     Should Not Be Equal As Strings  ${properties["TimeRemaining"]}  0
+
+
+Is BMC Unpingable
+    [Documentation]  Check if BMC is unpingable.
+
+    ${RC}  ${output}=  Run and return RC and Output  ping -c 4 ${OPENBMC_HOST}
+    Log  RC: ${RC}\nOutput:\n${output}
+    Should be equal  ${RC}  ${1}