samples/Vault/tests/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.android.vault.tests">

    <application>
        <uses-library android:name="android.test.runner" />
    </application>

    <instrumentation
            android:name="android.test.InstrumentationTestRunner"
            android:targetPackage="com.example.android.vault"
            android:label="Vault tests" />

</manifest>