Remove ADM2 feature flag

ts/test-both/calling/audioDeviceModule_test.ts

@@ -0,0 +1,39 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+import * as sinon from 'sinon';
+
+import {
+  AudioDeviceModule,
+  getAudioDeviceModule,
+} from '../../calling/audioDeviceModule';
+
+describe('audio device module', () => {
+  describe('getAudioDeviceModule', () => {
+    let sandbox: sinon.SinonSandbox;
+
+    beforeEach(() => {
+      sandbox = sinon.createSandbox();
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('returns ADM2 on Windows', () => {
+      sandbox.stub(process, 'platform').get(() => 'win32');
+      assert.strictEqual(getAudioDeviceModule(), AudioDeviceModule.WindowsAdm2);
+    });
+
+    it('returns the default module on macOS', () => {
+      sandbox.stub(process, 'platform').get(() => 'darwin');
+      assert.strictEqual(getAudioDeviceModule(), AudioDeviceModule.Default);
+    });
+
+    it('returns the default module on Linux', () => {
+      sandbox.stub(process, 'platform').get(() => 'linux');
+      assert.strictEqual(getAudioDeviceModule(), AudioDeviceModule.Default);
+    });
+  });
+});