Simple functional test in java

SimpleTest.java

import org.junit.Before;
import org.junit.Test;

import br.techhit.scanydrive.helpers.LoginHelper;

import static org.junit.Assert.*;

public class LoginHelperTest {

    LoginHelper loginHelper;

    @Before
    public void setUp() {
        loginHelper = new LoginHelper();
    }

    @Test
    public void isValidIpAddressTest() {
        assertEquals(true, loginHelper.isValidIpAddress("127.0.0.1"));
        assertEquals(true, loginHelper.isValidIpAddress("192.168.2.15"));
    }

    @Test
    public void isNotValidIpAddressTest() {
        assertEquals(false, loginHelper.isValidIpAddress("40"));
        assertEquals(false, loginHelper.isValidIpAddress("www.google.com.br"));
    }
}