Androidx :如何在UI测试中测试Slider (Espresso)？

implementation 'androidx.appcompat:appcompat:1.3.1'
implementation 'com.google.android.material:material:1.4.0'

import androidx.test.espresso.Espresso;
import androidx.test.espresso.action.ViewActions;
import androidx.test.espresso.matcher.ViewMatchers;
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)
public class SliderUITest {

    @Rule
    public ActivityScenarioRule<MainActivity> activityScenarioRule = new ActivityScenarioRule<>(MainActivity.class);

    @Test
    public void testSlider() {
        // 找到Slider并进行滑动操作
        Espresso.onView(ViewMatchers.withId(R.id.slider))
                .perform(ViewActions.swipeLeft());
    }
}