message: using global AudioContext created on init
diff: @@ -2,8 +2,8 @@ import { expect } from "chai";
  import { Offline } from "test/helper/Offline";
  import { ONLINE_TESTING } from "test/helper/Supports";
  import { Transport } from "../clock/Transport";
  -import { getContext } from "../Global";
  import { Tone } from "../Tone";
  +import { getAudioContext } from "./AudioContext";
  import { Context } from "./Context";
  describe("Context", () => {
  @@ -15,7 +15,7 @@ describe("Context", () => {
  context("AudioContext", () => {
  it("extends the AudioContext methods", () => {
  - const ctx = new Context(getContext());
  + const ctx = new Context(getAudioContext());
  expect(ctx).to.have.property("createGain");
  expect(ctx.createGain()).to.be.instanceOf(GainNode);
  expect(ctx).to.have.property("createOscillator");
  @@ -38,7 +38,7 @@ describe("Context", () => {
  }
  it("has a rawContext", () => {
  - const ctx = new Context(getContext());
  + const ctx = new Context(getAudioContext());
  expect(ctx.rawContext).is.instanceOf(AudioContext);
  return ctx.dispose();
  });
  