Support improved Node Cellar simple blueprint

Author: tliron

cosmo_tester/test_suites/test_simple_manager_blueprint/nodecellar_singlehost_test.py

@@ -34,19 +34,20 @@ def get_public_ip(self, nodes_state):
 
     def get_inputs(self):
         return dict(self.access_credentials,
-                    **{'host_ip': self.private_ip_address})
+                    **{'nodejs_host_ip': self.private_ip_address,
+                       'mongod_host_ip': self.private_ip_address})
 
     @property
     def expected_nodes_count(self):
-        return 4
+        return 5
 
     @property
     def host_expected_runtime_properties(self):
         return []
 
     @property
     def entrypoint_node_name(self):
-        return 'host'
+        return 'nodejs_host_ip'
 
     @property
     def entrypoint_property_name(self):