def predict_test_data(rf, test_features):
	""" Predicts outcomes from test data 
	
	Parameters
    ----------
	rf : model
		Random forest model built from train data, returned from create_random_forest()
	test_features : numpy array
		List of fraction of "x variables" used to test the model, returned from split_train_test()
	
	Returns
    -------
	predictions : numpy array
		List of predicted "y values" when using the test data (test_features) and the random forest model (rf)	
	
	"""
	predictions = rf.predict(test_features)
	return predictions