Attempt to de-flake event volunteer request spec by waiting more

.travis.yml

@@ -7,6 +7,4 @@ before_script: "./config/before-travis.sh"
 script: "bundle exec rake"
 
 notifications:
-  irc:
-    channels:
-      - 'irc.freenode.org:6667#railsbridge'
+  email: false

config/before-travis.sh

@@ -1,5 +1,3 @@
-sudo ci/install_phantomjs
-export PATH=phantomjs/bin:$PATH
 phantomjs --version
 bundle exec rake db:create:all
 bundle exec rake db:migrate

spec/requests/event_volunteers_request_spec.rb

@@ -22,20 +22,27 @@
     visit "/events/#{@event.id}/volunteers"
   end
 
+  def wait_for_save
+    within '#saving_indicator' do
+      page.should have_content 'Saved!'
+    end
+  end
+
   it 'allows organizers to change volunteer assignments' do
     within "#edit_rsvp_#{@rsvp1.id}" do
       choose('TA')
     end
+    wait_for_save
+
     within "#edit_rsvp_#{@rsvp2.id}" do
       choose('Unassigned')
     end
+    wait_for_save
+
     within "#edit_rsvp_#{@rsvp3.id}" do
       choose('Teacher')
     end
-
-    within '#saving_indicator' do
-      page.should have_content 'Saved!'
-    end
+    wait_for_save
 
     [@rsvp1, @rsvp2, @rsvp3].map { |rsvp| rsvp.reload.volunteer_assignment_id }.should == [
         VolunteerAssignment::TA,