message: Test flags on iterator.
diff: @@ -930,6 +930,9 @@ describe("GeometryStream", () => {
  builder.appendGeometry(Arc3d.createXY(Point3d.create(0, 0), 5));
  const roundTrip = () => {
  + const iter = new GeometryStreamIterator(builder.geometryStream);
  + expect((iter.flags === GeometryStreamFlags.ViewIndependent)).to.equal(builder.isViewIndependent);
  +
  const partProps: GeometryPartProps = {
  classFullName: GeometryPart.classFullName,
  iModel: imodel,
  