message: Remove (now) unnecessary imports.
diff: | $Copyright: (c) 2018 Bentley Systems, Incorporated. All rights reserved. $
  *--------------------------------------------------------------------------------------------*/
  import { assert } from "chai";
  -import { IModelApp, iModelApp } from "@build/imodeljs-core/lib/frontend/IModelApp";
  -import { AccuDraw, CompassMode } from "@build/imodeljs-core/lib/frontend/AccuDraw";
  -import { IdleTool } from "@build/imodeljs-core/lib/frontend/tools/IdleTool";
  -import { ToolGroup, ImmediateTool } from "@build/imodeljs-core/lib/frontend/tools/Tool";
  -import { ViewRotateTool } from "@build/imodeljs-core/lib/frontend/tools/ViewTool";
  +import { IModelApp, iModelApp } from "../../frontend/IModelApp";
  +import { AccuDraw, CompassMode } from "../../frontend/AccuDraw";
  +import { IdleTool } from "../../frontend/tools/IdleTool";
  +import { ToolGroup, ImmediateTool } from "../../frontend/tools/Tool";
  +import { ViewRotateTool } from "../../frontend/tools/ViewTool";
  /** class to simulate overriding the default AccuDraw */
  class TestAccuDraw extends AccuDraw {
  