diff --git a/test/unit/device-specs.js b/test/unit/device-specs.js
index c7507c19..82841978 100644
--- a/test/unit/device-specs.js
+++ b/test/unit/device-specs.js
@@ -1,9 +1,11 @@
 import { IosDriver } from '../../lib/driver';
 import { uiauto } from '../..';
 import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
 import sinon from 'sinon';
 
 chai.should();
+chai.use(chaiAsPromised);
 
 const PLUS_HEIGHT = 736;
 const NONPLUS_HEIGHT = 568;
diff --git a/test/unit/file-movement-specs.js b/test/unit/file-movement-specs.js
index 221845af..a8409a0f 100644
--- a/test/unit/file-movement-specs.js
+++ b/test/unit/file-movement-specs.js
@@ -2,6 +2,12 @@ import { IosDriver } from '../..';
 import sinon from 'sinon';
 import path from 'path';
 import { tempDir, fs, zip } from 'appium-support';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+
+
+chai.should();
+chai.use(chaiAsPromised);
 
 describe('File Movement', function () {
   let driver = new IosDriver();
diff --git a/test/unit/utils-specs.js b/test/unit/utils-specs.js
index cbaf5817..9118fbc0 100644
--- a/test/unit/utils-specs.js
+++ b/test/unit/utils-specs.js
@@ -1,26 +1,34 @@
-// transpile:mocha
-
 import * as utils from '../../lib/utils';
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
+import { withMocks } from 'appium-test-support';
+import xcode from 'appium-xcode';
+
 
 chai.should();
 chai.use(chaiAsPromised);
 
-describe('prepareIosOpts', function () {
-  it('should use instruments without delay by default', function () {
-    let opts = {};
-    utils.prepareIosOpts(opts);
+describe('prepareIosOpts', withMocks({xcode}, (mocks) => {
+  beforeEach(function () {
+    mocks.xcode.expects('getMaxIOSSDK')
+      .once().returns('9.3');
+  });
+  afterEach(function () {
+    mocks.verify();
+  });
+  it('should use instruments without delay by default', async function () {
+    const opts = {};
+    await utils.prepareIosOpts(opts);
     opts.withoutDelay.should.be.true;
   });
-  it('should use instruments without delay if explicitly not using native instruments', function () {
-    let opts = {nativeInstrumentsLib: false};
-    utils.prepareIosOpts(opts);
+  it('should use instruments without delay if explicitly not using native instruments', async function () {
+    const opts = {nativeInstrumentsLib: false};
+    await utils.prepareIosOpts(opts);
     opts.withoutDelay.should.be.true;
   });
-  it('should not use instruments without delay if using native intruments', function () {
-    let opts = {nativeInstrumentsLib: true};
-    utils.prepareIosOpts(opts);
+  it('should not use instruments without delay if using native intruments', async function () {
+    const opts = {nativeInstrumentsLib: true};
+    await utils.prepareIosOpts(opts);
     opts.withoutDelay.should.be.false;
   });
-});
+}));