Fixed tests

test/factories/volunteers.rb

@@ -5,7 +5,6 @@ FactoryBot.define do
     salutation { ['mr', 'mrs'].sample }
     acceptance :accepted
     group_offer_categories { |category| [category.association(:group_offer_category)] }
-    waive { true }
     iban { generate :iban }
     bank { 'Bank' }
     association :registrar, factory: :user

test/system/terminate_assignments_test.rb

@@ -5,7 +5,7 @@ class TerminateAssignmentsTest < ApplicationSystemTestCase
     @superadmin = create :user
     @department_manager = create :department_manager
     @client = create :client, user: @department_manager
-    @volunteer = create :volunteer
+    @volunteer = create :volunteer, waive: false
     @assignment = create :assignment, volunteer: @volunteer, client: @client,
       period_start: 10.weeks.ago, period_end: 2.days.ago, creator: @department_manager
     @hour = create :hour, volunteer: @volunteer, hourable: @assignment

test/system/volunteers_test.rb

@@ -5,7 +5,7 @@ class VolunteersTest < ApplicationSystemTestCase
     @user = create :user, email: 'superadmin@example.com'
     login_as @user
     Volunteer.acceptance_collection.each do |acceptance|
-      create :volunteer, acceptance: acceptance
+      create :volunteer, acceptance: acceptance, waive: false
     end
     ActionMailer::Base.deliveries.clear
   end