grams_edit_action_2.rb

describe "grams#edit action" do
it "shouldn't let a user who did not create the gram edit a gram" do
      gram = FactoryBot.create(:gram)
      diff_user = FactoryBot.create(:user)
      sign_in diff_user
      get :edit, params: { id: gram.id }
      expect(response).to have_http_status(:forbidden)
    end
end