message: Tests expecting incorrect feature tables.
diff: import { expect } from "chai";
  import { TileIO, IModelTileIO } from "@bentley/imodeljs-frontend/lib/tile";
  import { Mesh, DisplayParams, System, Batch, MeshGraphic, GraphicsList, SurfaceType, PolylinePrimitive, PolylineGeometry } from "@bentley/imodeljs-frontend/lib/rendering";
  -import { LinePixels, GeometryClass, ModelProps, RelatedElementProps } from "@bentley/imodeljs-common";
  +import { LinePixels, GeometryClass, ModelProps, RelatedElementProps, FeatureIndexType } from "@bentley/imodeljs-common";
  import { Id64, Id64Props } from "@bentley/bentleyjs-core";
  import { TileData } from "./TileIO.data";
  import { Point3d, Vector3d } from "@bentley/geometry-core";
  @@ -506,7 +506,7 @@ describe("TileIO", () => {
  expect(batch.graphic).not.to.be.undefined;
  expect(batch.graphic).to.be.instanceOf(PolylinePrimitive);
  const plinePrim = batch.graphic as PolylinePrimitive;
  - expect(plinePrim.featureIndexType).to.equal(0);
  + expect(plinePrim.featureIndexType).to.equal(FeatureIndexType.Uniform);
  expect(plinePrim.isEdge).to.be.false;
  expect(plinePrim.isLit).to.be.false;
  expect(plinePrim.isPlanar).to.be.false;
  @@ -693,7 +693,7 @@ describe("TileIO", () => {
  expect(list.graphics[0]).to.be.instanceOf(PolylinePrimitive);
  let plinePrim = list.graphics[0] as PolylinePrimitive;
  - expect(plinePrim.featureIndexType).to.equal(0);
  + expect(plinePrim.featureIndexType).to.equal(FeatureIndexType.Uniform);
  expect(plinePrim.isEdge).to.be.false;
  expect(plinePrim.isLit).to.be.false;
  expect(plinePrim.isPlanar).to.be.false;
  @@ -707,7 +707,7 @@ describe("TileIO", () => {
  expect(list.graphics[1]).to.be.instanceOf(PolylinePrimitive);
  plinePrim = list.graphics[1] as PolylinePrimitive;
  - expect(plinePrim.featureIndexType).to.equal(0);
  + expect(plinePrim.featureIndexType).to.equal(FeatureIndexType.NonUniform);
  expect(plinePrim.isEdge).to.be.false;
  expect(plinePrim.isLit).to.be.false;
  expect(plinePrim.isPlanar).to.be.false;
  