Add testcases for hypervisor nw manager

This commit includes three changes:
1. Add testcases for hypervisor nw manager
2. Removal of vmi_if_count support, as it is no longer
   available in the bios table
3. Add methods to set default values to bios table
   attributes

Tested.

Signed-off-by: Asmitha Karunanithi <asmitk01@in.ibm.com>
Change-Id: I78397f653658c88097e4566632b0ce36c7b3861b
diff --git a/src/ibm/hypervisor-network-mgr-src/hyp_network_manager_main.cpp b/src/ibm/hypervisor-network-mgr-src/hyp_network_manager_main.cpp
index ddb515b..d0d7b7d 100644
--- a/src/ibm/hypervisor-network-mgr-src/hyp_network_manager_main.cpp
+++ b/src/ibm/hypervisor-network-mgr-src/hyp_network_manager_main.cpp
@@ -24,6 +24,9 @@
     phosphor::network::HypNetworkMgr manager(bus, event,
                                              DEFAULT_HYP_NW_OBJPATH);
 
+    // Create the hypervisor eth interface objects
+    manager.createIfObjects();
+
     bus.request_name(HYP_DEFAULT_NETWORK_BUSNAME);
 
     event.loop();