Android Kotlin:集成测试当前活动或应用是否关闭

import androidx.test.espresso.Espresso.onView
import androidx.test.espresso.action.ViewActions.click
import androidx.test.espresso.assertion.ViewAssertions.matches
import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
import androidx.test.espresso.matcher.ViewMatchers.withId
import androidx.test.ext.junit.rules.ActivityScenarioRule
import androidx.test.ext.junit.runners.AndroidJUnit4
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith

@RunWith(AndroidJUnit4::class)
class MainActivityTest {

    @get:Rule
    val activityRule = ActivityScenarioRule(MainActivity::class.java)

    @Test
    fun testActivityClose() {
        // 假设有一个按钮用于关闭活动
        onView(withId(R.id.btnClose)).perform(click())

        // 验证活动是否关闭
        onView(withId(R.id.btnClose)).check(matches(not(isDisplayed())))
    }
}