message: Updated ElementCRUD Performance tests
diff: import { assert } from "chai";
  import * as path from "path";
  import { DbResult, Id64 } from "@bentley/bentleyjs-core";
  -import { DictionaryModel } from "../Model";
  -import { SpatialCategory } from "../Category";
  +import { DictionaryModel, SpatialCategory, Element, IModelDb } from "../backend";
  import { ECSqlStatement } from "../ECSqlStatement";
  -import { Element } from "../Element";
  -import { IModelDb } from "../IModelDb";
  import { IModelTestUtils } from "../test/IModelTestUtils";
  import { GeometricElementProps, Code, SubCategoryAppearance, ColorDef, IModel, GeometryStreamProps } from "@bentley/imodeljs-common";
  import { Point3d, Arc3d } from "@bentley/geometry-core";
  