message: needed to pass compiler
diff: @@ -24,7 +24,7 @@ context("OfflineContext", () => {
  it("can render audio", () => {
  const ctx = new OfflineContext(1, 0.2, 44100);
  const osc = ctx.createOscillator();
  - osc.connect(ctx.destination);
  + osc.connect(ctx.rawContext.destination);
  osc.start(0.1);
  return ctx.render().then(buffer => {
  expect(buffer).to.be.instanceOf(AudioBuffer);
  