matrix-chat-android/app/src/androidTest/java/com/getcapacitor/myapp/ExampleInstrumentedTest.java

package com.getcapacitor.myapp;

import android.content.Context;

import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

/**
 * Instrumented test, which will execute on an Android device.
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
  @Test
  public void useAppContext() throws Exception {
    // Context of the app under test.
    Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();

    assertEquals("com.getcapacitor.app", appContext.getPackageName());
  }
}