vrfs152: added test for facebook_invite!

ruby/lib/jam_ruby/models/user.rb

@@ -997,7 +997,7 @@ module JamRuby
       Recording.where(:owner_id => self.id).order('created_at ASC').first.try(:created_at)
     end
 
-    def facebook_invite
+    def facebook_invite!
       unless iu = InvitedUser.facebook_invite(self)
         iu = InvitedUser.new
         iu.sender = self

ruby/spec/jam_ruby/models/invited_user_spec.rb

@@ -123,6 +123,9 @@ describe InvitedUser do
     invited_user1.save
     expect(invited_user1.valid?).to eq(false)
     expect(InvitedUser.facebook_invite(user1).id).to eq(invited_user.id)
+    user2 = FactoryGirl.create(:user)
+    iu = user1.facebook_invite!
+    expect(user1.facebook_invite!.id).to eq(iu.id)
   end
 
 end