FIX: update flaky bulk invite spec (#17425)

spec/requests/invites_controller_spec.rb

@@ -1052,12 +1052,16 @@ describe InvitesController do
     end
 
     it 'errors if admins try to exceed limit of one bulk invite per day' do
-      RateLimiter.enable
       sign_in(admin)
+      RateLimiter.enable
+      RateLimiter.clear_all!
+      start = Time.now
 
+      freeze_time(start)
       post '/invites/reinvite-all'
-      expect(response.status).to eq(200)
+      expect(response.parsed_body['errors']).to_not be_present
 
+      freeze_time(start + 10.minutes)
       post '/invites/reinvite-all'
       expect(response.parsed_body['errors'][0]).to eq(I18n.t("rate_limiter.slow_down"))
     end