require 'rails_helper' describe ScientificNamesController do login_member(:crop_wrangling_member) let!(:crop) { FactoryBot.create(:tomato) } def valid_attributes { name: 'Solanum lycopersicum', crop_id: crop.id } end describe "GET new" do it "assigns crop if specified" do get :new, params: { crop_id: crop.id } assigns(:crop).should be_an_instance_of Crop end end end