spec: fix occasional failures

Change-Id: Ie752bb68a6022909faac14732ccb74181ce50302
Reviewed-on: https://gerrit.instructure.com/12577
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Bryan Madsen <bryan@instructure.com>

Author: jenseng

spec/selenium/profile_communications_spec.rb

@@ -91,6 +91,9 @@ def find_frequency_cell(category_id, channel_id)
       @user.save!
       get "/profile/communication"
       f('.user-pref-check[name=send_scores_in_emails]').click
+
+      wait_for_ajaximations
+
       # test data stored
       @user.reload
       @user.preferences[:send_scores_in_emails].should == true
@@ -114,6 +117,8 @@ def find_frequency_cell(category_id, channel_id)
       # Change to a different value and verify flash and the save. (click on the radio)
       cell.text.should == 'ASAP'
 
+      wait_for_ajaximations
+
       # test data stored
       policy.reload
       policy.frequency.should == Notification::FREQ_IMMEDIATELY