message: Experimenting to see if issues obtaining a WebGLRenderingContext when
  executing on CI server still occur.
diff: @@ -6,9 +6,11 @@ import { assert } from "chai";
  import { IModelApp } from "@bentley/imodeljs-frontend";
  export namespace WebGLTestContext {
  - // ###TODO: on PRG, canvas.getContext() returns null? We will want these tests to run on PRG eventually...
  - // For now, set this to true locally to run the tests which require a WebGLRenderingContext.
  - const isEnabled = false;
  + // When tests requiring a WebGLRenderingContext were first introduced, they appeared to fail to obtain
  + // the context when executed on the continuous integration server. As a temporary workaround we added
  + // this flag, set to false, which could be manually set to true in developer build to enable such tests.
  + // Not clear if this is still required.
  + const isEnabled = true;
  function createCanvas(): HTMLCanvasElement | undefined {
  const canvas = document.createElement("canvas") as HTMLCanvasElement;
  