public void testInterfaceLoadCollection() {
final PolyTestClass polyTestClass = SqlIntegrationTestSingleton.getStaticPolyTestClass();
final List<PolyInterface> list = polyTestClass.getPolyInterfaces();
assertEquals(1, list.size());
final PolyInterface loaded = list.get(0);
assertEquals(polyIntImpA.getString(), loaded.getString());
}