added tests for validator, job and update contact

test/lib/validators/date_time_iso8601_validator_test.rb

@@ -0,0 +1,16 @@
+require 'test_helper'
+
+class DateTimeIso8601Validatable
+  include ActiveModel::Validations
+  validates_with DateTimeIso8601Validator, :attributes=>[:code]
+  attr_accessor :code
+  validates :code, iso8601: { date_only: true }
+end
+
+class DateTimeIso8601ValidatorTest < ActiveSupport::TestCase
+  def test_check_invalid_date
+    obj = DateTimeIso8601Validatable.new
+    obj.code = "22-12-2020"
+    assert_not obj.valid?
+  end
+end