@Override protected void setUp() throws Exception { super.setUp(); mContext = getInstrumentation().getContext(); mDevice = UiDevice.getInstance(getInstrumentation()); mDevicePolicyManager = (DevicePolicyManager) mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); mPackageManager = mContext.getPackageManager(); mPackageInstaller = mPackageManager.getPackageInstaller(); assertNotNull(mPackageInstaller); // check that app is not already installed assertFalse(isPackageInstalled(TEST_APP_PKG)); }