text: import { Matrix2D } from './Matrix2D';
  test('should hold values', function () {
    expect(new Matrix2D()).toEqual(new Matrix2D(1, 0, 0, 1, 0, 0));
  });
  test('should clone a new object', function () {
    var point = new Matrix2D(100, 200);
    expect(point.clone()).toEqual(point);
  });