Fix BMC dump automation test case

Changes:

      - Modified the test case
Tested:
       - Ran the test case successfully from the sandbox.

Change-Id: I497cf938de9f40795f274956536fd03fc2b67904
Signed-off-by: Manash Sarma <manashsarma@in.ibm.com>
diff --git a/redfish/managers/test_bmc_dumps.robot b/redfish/managers/test_bmc_dumps.robot
index 62ce39f..a080e14 100644
--- a/redfish/managers/test_bmc_dumps.robot
+++ b/redfish/managers/test_bmc_dumps.robot
@@ -346,7 +346,7 @@
     Should Be Equal As Integers  ${rc}  ${0}
 
     # Verify that BMC dump is available.
-    Wait Until Keyword Succeeds  2 min  10 sec  Is BMC Dump Available
+    Wait Until Keyword Succeeds  10 min  10 sec  Is BMC Dump Available
 
     # Verifying that there is only one dump.
     ${dump_entries}=  Get BMC Dump Entries