fix: flaky test

Fix attendees emails test which was trying to match two strings together when order can change and cause flakiness.  Resolved by expecting string to include emails so order shouldn't matter

Author: davidmillen50

spec/presenters/meeting_presenter_spec.rb

@@ -16,10 +16,10 @@
 
   it '#attendees_emails' do
     attendees = Fabricate.times(4, :attending_meeting_invitation, meeting: meeting)
-
-    expect(event.attendees_emails).to eq(
-      attendees.map(&:member).map(&:email).sort.join(', ')
-    )
+    emails = attendees.map(&:member).map(&:email)
+    emails.each do |email|
+      expect(event.attendees_emails).to include(email)
+    end
   end
 
   it '#time' do