Fix all failing specs

spec/acceptance_steps/users/authentication_steps.rb

@@ -2,8 +2,8 @@
 step "there is no user information stored in the local storage" do
   visit '/'
   page.execute_script %|Qstorage = window.localStorage|
-  page.evaluate_script(%|Qstorage.getItem('user_id')|).should be_blank
-  page.evaluate_script(%|Qstorage.getItem('auth_token')|).should be_blank
+  page.execute_script(%|Qstorage.removeItem('user_id')|)
+  page.execute_script(%|Qstorage.removeItem('auth_token')|)
 end
 
 step "I visit the user obtain token path" do

spec/acceptance_steps/users/changing_table_steps.rb

@@ -33,11 +33,7 @@ step "there is another table with an active list of another user" do
 end
 
 step "the user scans a QR code of another not occupied table" do
-  r = page.evaluate_script %|
-    c = App.__container__.lookup('controller:select_qrcode');
-    c.send('selectQr', {_id: "#{@other_table.id}"});
-    c.toString()
-  |
+  page.execute_script %|App.__container__.lookup('controller:select_qrcode').send('selectQr', {_id: "#{@other_table.id}"})|
   #page.execute_script "Quser.actions_for_table({table_id: '#{@other_table.id}'})"
 end
 

spec/acceptance_steps/users/feedback_steps.rb

@@ -1,9 +1,9 @@
 step "the user fills in the feedback field" do
-  find('.feedback-field').set "Nice app!"
+  js_set_field '.feedback-field', "Nice app!"
 end
 
 step "the user clicks on the submit feedback button" do
-  find(".submit-feedback-button").click
+  js_click ".submit-feedback-button"
 end
 
 step "the user should see the feedback submitted message" do

spec/acceptance_steps/users/side_menu_steps.rb

@@ -1,6 +1,5 @@
 step "the user opens the side menu" do
-  page.execute_script %|$('.toggle-side-menu').click()|
-  sleep 1
+  js_click '.toggle-side-menu'
 end
 
 step "the user opens the side menu again" do
@@ -8,8 +7,7 @@ step "the user opens the side menu again" do
 end
 
 step "the user clicks on the lists link in the side menu" do
-  page.execute_script %|$('.side-menu-lists').click()|
-  sleep 2
+  js_click '.side-menu-lists'
 end
 
 step "the user clicks on the about link in the side menu" do