@Deployment(testable = false)
public static WebArchive createDeployment() {
    WebArchive war = ShrinkWrap.create(WebArchive.class)
            .addClasses(
                    MyApplication.class,
                    MyResource.class,
                    MyObject.class,
                    MyReader.class,
                    MyWriter.class);

    System.out.println(war.toString(true));
    return war;
}

@Test
public void testPostWithCustomMimeType() {
    String fruit = target
            .request()
            .post(Entity.entity(new MyObject(1), MyObject.MIME_TYPE), String.class);
    assertEquals("banana", fruit);
}

@Test
public void testPostSimple() {
    String fruit = target
            .path("index")
            .request()
            .post(Entity.text("1"), String.class);
    assertEquals("banana", fruit);
}