Remove all desks before starting test.

package com.android.wm.shell.scenarios

import android.app.Instrumentation

import android.platform.test.rule.ScreenRecordRule

import androidx.test.platform.app.InstrumentationRegistry

import androidx.test.uiautomator.UiDevice

import org.junit.Before

import org.junit.Ignore

import org.junit.Rule

@Ignore("Base Test Class")

abstract class TestScenarioBase {

    private val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()

    private val device = UiDevice.getInstance(instrumentation)

    @get:Rule val screenRecordRule = ScreenRecordRule(/* keepTestLevelRecordingOnSuccess= */ false)

    @Before

    fun removeAllDesks() {

        device.executeShellCommand(

            "dumpsys activity service SystemUIService WMShell desktopmode removeAllDesks"

        )

    }

}