public <T> void registerPOJO(Class<T> clazz) {
    registerPOJO(TypeDescriptor.of(clazz));
  }
@Test
  public void testRegisterPojo() throws NoSuchSchemaException {
    SchemaRegistry registry = SchemaRegistry.createDefault();
    registry.registerPOJO(SimplePOJO.class);
    Schema schema = registry.getSchema(SimplePOJO.class);
    assertTrue(SIMPLE_POJO_SCHEMA.equivalent(schema));
  }