Unable to run Web UI tests on Android devices or emulators

When you want to run Web UI tests on industry-standard mobile browsers of Android devices or emulators, Test UI does not display the list of devices or emulators.

Cause

The Android SDK Tools (Obsolete) package is not installed in Android Studio on the computer that you want to use for testing.

Resolution

To resolve this issue, you must install the Android SDK Tools (Obsolete) package in Android Studio by performing the following steps:
  1. Open Android Studio.
  2. Go to Tools > SDK Manager and click the SDK Tools tab.
  3. Clear the Hide Obsolete Packages checkbox to display the hidden packages.
  4. Select the Android SDK Tools (Obsolete) checkbox, and then click OK.
  5. Click OK in the confirmation dialog.
  6. Click Finish.