dependencies { testImplementation 'org.assertj:assertj-core:3.19.0' testImplementation 'org.assertj:assertj-android:1.2.0' } import android.support.test.runner.AndroidJUnit4; import org.assertj.android.api.Assertions; import org.junit.Test; import org.junit.runner.RunWith; @RunWith(AndroidJUnit4.class) public class MyAndroidUnitTest { @Test public void testTextView() { MainActivity activity = Robolectric.setupActivity(MainActivity.class); Assertions.assertThat(activity.textView).hasText("Hello World!"); } }