package com.blogspot.developersu.nowol.nowol; import android.content.Context; import androidx.test.InstrumentationRegistry; import androidx.test.runner.AndroidJUnit4; import org.junit.Test; import org.junit.runner.RunWith; import static org.junit.Assert.*; /** * Instrumentation test, which will execute on an Android device. * * @see Testing documentation */ @RunWith(AndroidJUnit4.class) public class ExampleInstrumentedTest { @Test public void useAppContext() throws Exception { // Context of the app under test. Context appContext = InstrumentationRegistry.getTargetContext(); assertEquals("com.blogspot.developersu.nowol.nowol", appContext.getPackageName()); } }