Update spec/models/better_together/event_spec.rb

Adjust assertion syntax

Co-authored-by: Copilot <[email protected]>
Signed-off-by: Robert Smith <[email protected]>

Author: rsmithlal

spec/models/better_together/event_spec.rb

@@ -11,7 +11,7 @@ module BetterTogether
     end
 
     it 'will default its host to its creator' do
-      expect(event.event_hosts.map(&:host).include?(event.creator))
+      expect(event.event_hosts.map(&:host)).to include(event.creator)
     end
 
     it 'requires ends_at to be after starts_at' do # rubocop:todo RSpec/MultipleExpectations