def make_login_fail(self, immediately=True):
response = LoginResponse(<NUM_LIT:0>, <NUM_LIT>)<EOL>if immediately:<EOL><INDENT>self.device.responses['<STR_LIT>'].append(response)<EOL><DEDENT>else:<EOL><INDENT>self.device.responses['<STR_LIT>'].insert(<NUM_LIT:0>, response)<EOL><DEDENT>
Call this method to make login fail with response 503.