Application not launch on test started about robotium HOT 4 OPEN

public void setUp() throws Exception {
  	solo = new Solo(getInstrumentation(), getActivity());
  }

public void setUp() throws Exception {
  	solo = new Solo(getInstrumentation(), getActivity());
  }

public NewRobotiumTest() {
super(PACKAGE_NAME, Class.forName(LAUNCHER_ACTIVITY_CLASSNAME););
}

public class DeliveryActivityTest extends ActivityInstrumentationTestCase2 {

  private static final String LAUNCHER_ACTIVITY_CLASSNAME = "com.delivery.example";
  private static Class<?> launchActivityClass;
  static {
    try {
      launchActivityClass = Class.forName(LAUNCHER_ACTIVITY_CLASSNAME);
    } catch (ClassNotFoundException e) {
      throw new RuntimeException(e);
    }
  }
  private Solo solo;

  public DeliveryActivityTest(Class<DeliveryActivity> activityClass) {
    super(activityClass);
  }

  public void setUp() throws Exception {
    super.setUp();
    solo = new Solo(getInstrumentation(), getActivity());
  }

  @Override
  public void tearDown() throws Exception {
    solo.finishOpenedActivities();
    super.tearDown();
  }

  @SuppressWarnings("unchecked")
  public DeliveryActivityTest() {
    super((Class<DeliveryActivity>) launchActivityClass);
  }

  public void testButton()
  {
    solo.clickOnText("Some button");
  }

}