android/testData/guiTests/LayoutTest/app/src/main/res/layout/ids.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:paddingLeft="@dimen/activity_horizontal_margin"
              android:paddingRight="@dimen/activity_horizontal_margin"
              android:paddingTop="@dimen/activity_vertical_margin"
              android:paddingBottom="@dimen/activity_vertical_margin"
              android:orientation="vertical"
              tools:context=".MainActivity">

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button"
            android:id="@+id/buttonid1"
            android:layout_alignParentTop="true"
            android:layout_alignParentLeft="true"
            android:layout_alignParentStart="true"/>

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button 2"
            android:id="@+id/buttonid2"
            android:layout_below="@+id/buttonid1"
            android:layout_toRightOf="@+id/buttonid1"
            android:layout_toEndOf="@+id/buttonid1"/>
    </RelativeLayout>
</LinearLayout>