message: test: add failing test for
diff: @@ -154,6 +154,38 @@ module('JSONAPISerializer', function(hooks) {
  );
  });
  + test('#serialize will pass null values without throwing', function(assert) {
  + assert.deepEqual(
  + serializer.serialize({
  + data: {
  + type: 'person',
  + id: '123',
  + attributes: {
  + name: null,
  + birthday: null,
  + birthtime: null,
  + height: null, // meters
  + isAdult: null
  + }
  + }
  + }),
  + {
  + data: {
  + type: 'persons',
  + id: '123',
  + attributes: {
  + name: null,
  + birthday: null,
  + birthtime: null,
  + height: null, // cm (with 2 digits)
  + 'is-adult': null
  + }
  + }
  + },
  + 'serialized document matches'
  + );
  + });
  +
  test('#deserialize will use available serializers for attribute values', function(assert) {
  let result = serializer.deserialize({
  data: {
  