Add specs for user changing table

spec/acceptance/users/changing_table.feature

@@ -0,0 +1,24 @@
+Feature: Changing table
+
+  @javascript
+  Scenario: Scanning a table not yet occupied and change to it
+    Given There is an open supplier with a menu
+    And there is a signed in user with an active order
+    And the user is on the homepage
+    And there is another table
+    When the user scans a QR code of another not occupied table
+    Then the user should see a popup asking the user if he would like to change table
+    When the uses indicates in the popup that he wants to change the table
+    And I wait 1 second
+    Then the user should see the supplier menu having the other table as base
+    And the user list should have been moved to the other table
+
+  @javascript
+  Scenario: Scanning a table already occupied
+    Given There is an open supplier with a menu
+    And there is a signed in user with an active order
+    And the user is on the homepage
+    And there is another table with an active list of another user
+    When the user scans a QR code of another occupied table
+    Then the user should see a popup telling him that the table is already occupied
+    And the user list should not have been moved to the other table

spec/acceptance/users/sign_up_with_facebook.feature

@@ -1,4 +1,5 @@
 Feature: Sign up as user using facebook
+  Note that facebook is automatically signing in
 
   @javascript
   Scenario: Happy flow
@@ -27,3 +28,5 @@ Feature: Sign up as user using facebook
     And I wait 4 seconds
     Then the newly created user info should be stored in the local storage
 
+  Scenario: Facebook problem OmniAuth.config.mock_auth[:facebook] = :invalid_credentials
+  Scenario: Valid facebook login, but declines information requested by scope