Delete ExampleUnitTest.java

package com.example.toast;

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);

    }

}

 No newline at end of file