groovy testImplementation 'org.assertj:assertj-core:3.21.0' testImplementation 'org.assertj:assertj-android:3.21.0' import org.junit.Test; import static org.assertj.android.api.Assertions.assertThat; public class NetworkUtilsTest { @Test public void testIsNetworkAvailable() { boolean result = NetworkUtils.isNetworkAvailable(); assertThat(result).isTrue(); } @Test public void testGetIpAddress() { String ipAddress = NetworkUtils.getIpAddress(); assertThat(ipAddress).isEqualTo("192.168.0.1"); } }