Test for changing address.

tests/step_defs/test_server_start.py

@@ -22,6 +22,12 @@ def set_to_safe_port(server):
     server.set_safe_port()
 
 
+@given("the address is changed")
+def set_to_host_address(server):
+    """Sets the server to the host address."""
+    server.set_to_host_ip()
+
+
 @given("it is running")
 def start_server(server):
     """Start up the server."""