package org.jimmutable.platform_test;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Unit test for simple App.
 */
public class AppTest 
    extends TestCase
{
    /**
     * Create the test case
     *
     * @param testName name of the test case
     */
    public AppTest( String testName )
    {
        super( testName );
    }

    /**
     * @return the suite of tests being tested
     */
    public static Test suite()
    {
        return new TestSuite( AppTest.class );
    }

    /**
     * Rigourous Test :-)
     */
    public void testApp()
    {
    		try{
    			App.main(null);
    			assertTrue( true );
    		} catch (Exception e) {
    			assert(false);
    		}
    }
}

package org.jimmutable.platform_test;

import static org.junit.Assert.*;

import org.junit.Test;

public class AppTest extends App
{

//	@Test
	public void testMain()
	{
		try{
			App.main(null);
			assertTrue( true );
		} catch (Exception e) {
			e.printStackTrace();
			assert(false);
		}
	}

}

Update to platform_test test class
Update to platform_test test class