Create this

- (void)didSubmitRegistration:(CPDictionary)registrationInfo
{

}

From this

- (void)testThatOLLoginControllerDoesRespondToDidSubmitRegistration
{
	var target = [[OLLoginController alloc] init];
	var registrationInfo = [CPDictionary dictionary];
	[target didSubmitRegistration:registrationInfo];
	[self assertTrue:YES];
}