fixed tests

spec/features/user_feature_spec.rb

@@ -9,14 +9,13 @@ feature "User", :type => :feature do
   scenario "gets asked a question", js: true do
     visit "/@#{@user1.screen_name}"
 
-    page.driver.render Rails.root.join("tmp/#{Time.now.to_i}.png"), full: true
+    page.driver.render Rails.root.join("tmp/#{Time.now.to_i}_1.png"), full: true
 
     fill_in "qb-question", with: Faker::Lorem.sentence
     click_button "Ask"
     wait_for_ajax
-    reload_page
 
-    page.driver.render Rails.root.join('tmp'), full: full
+    page.driver.render Rails.root.join("tmp/#{Time.now.to_i}_2.png"), full: true
 
     expect(page).to have_text("Question asked successfully.")
   end

spec/spec_helper.rb

@@ -1,10 +1,10 @@
 require 'simplecov'
 SimpleCov.start
 
-# require 'capybara/rails'
-# require 'capybara/rspec'
 require 'capybara/poltergeist'
-Capybara.default_driver = :poltergeist
+Capybara.register_driver :poltergeist do |app|
+  Capybara::Poltergeist::Driver.new(app, js_errors: false)
+end
 Capybara.javascript_driver = :poltergeist
 
 # This file was generated by the `rails generate rspec:install` command. Conventionally, all