JAVA / Footsafety-Android

package etelligens.com.foodsafety;

import com.printer.sdk.serial.Printer;
import org.junit.Test;

import static org.junit.Assert.*;

/**
 * Example local unit test, which will execute on the development machine (host).
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
public class ExampleUnitTest {
    @Test
    public void addition_isCorrect() {
        assertEquals(4, 2 + 2);
    }
    Printer printer=null;
    @Test
    public void dy(){

    }
}