Hostname test cases added.

Added Test Cases:
    - Get hostname and verify.
    - Configure hostname and verify.

Tested: On latest Master build.

Change-Id: I5bbc10633a64e08be3c286292d9ed71e61dc1666
Signed-off-by: Prashanth Katti <prkatti1@in.ibm.com>
diff --git a/data/variables.py b/data/variables.py
index 3473d1d..65abbb9 100755
--- a/data/variables.py
+++ b/data/variables.py
@@ -145,6 +145,8 @@
 REDFISH_SESSION_URI = 'SessionService/Sessions/'
 REDFISH_NW_ETH0 = 'Managers/bmc/EthernetInterfaces/eth0/'
 REDFISH_NW_ETH0_URI = REDFISH_BASE_URI + REDFISH_NW_ETH0
+REDFISH_NW_PROTOCOL = 'Managers/bmc/NetworkProtocol'
+REDFISH_NW_PROTOCOL_URI = REDFISH_BASE_URI + REDFISH_NW_PROTOCOL
 
 # Boot options and URI variables.
 POWER_ON = 'On'