Added a new keyword for BMC Dump check

Changes:
 - Added in dump_utils.robot.
 - Redfish BMC Dump Should Exist.

Tested:
 - Ran successfuly.

Change-Id: I93f82112307092d4b1267120bdb2f2a9fd3df1e2
Signed-off-by: shilpa-paramesh <shilpa.paramesh@in.ibm.com>
diff --git a/lib/dump_utils.robot b/lib/dump_utils.robot
index 9939194..d320059 100644
--- a/lib/dump_utils.robot
+++ b/lib/dump_utils.robot
@@ -205,6 +205,13 @@
      Should Be Equal As Integers  0  ${dump_entries['Members@odata.count']}
 
 
+Redfish BMC Dump Should Exist
+    [Documentation]  Check if BMC dump is generated.
+
+    ${dump_entries}=  Get Redfish BMC Dump Log Entries
+    Should Be True   ${dump_entries['Members@odata.count']} >= 1  msg=No BMC dump generated.
+
+
 Delete All BMC Dump
     [Documentation]  Delete all BMC dump entries using "DeleteAll" interface.