array.removeByID

it.only('can remove element by ID in array', function() {
  const doc = Document.create('test-col', 'test-doc');
  assert.equal('{}', doc.toSortedJSON());

  let toDelete;
  doc.update((root) => {
    root['list'] = [];
    root['list'].push(1);
    root['list'].push(2);
    toDelete = root['list'].push(3);
    root['list'].push(4);
  }, 'set {"list":[1,2,3,4]}');

  assert.equal('{"list":[1,2,3,4]}', doc.toSortedJSON());

  doc.update((root) => {
    root['list'].removeByID(toDelete.getID());
  }, 'remove 3');
  assert.equal('{"list":[1,2,4]}', doc.toSortedJSON());
});