Do not validate Contact#country_code if address processing is off

#731

test/models/contact/postal_address_test.rb

@@ -0,0 +1,19 @@
+require 'test_helper'
+
+class ContactPostalAddressTest < ActiveSupport::TestCase
+  def setup
+    @contact = contacts(:john)
+  end
+
+  def test_invalid_if_country_code_is_invalid_and_address_processing_is_on
+    Setting.address_processing = true
+    @contact.country_code = 'invalid'
+    assert @contact.invalid?
+  end
+
+  def test_valid_if_country_code_is_invalid_and_address_processing_is_off
+    Setting.address_processing = false
+    @contact.country_code = 'invalid'
+    assert @contact.valid?
+  end
+end