Map<Class, Object> getSerializers() {
        return serializers;
    }
@Test
    public void testLoad_withDefaultConstructor() {
        SerializerConfig serializerConfig = new SerializerConfig();
        serializerConfig.setClassName("com.hazelcast.internal.serialization.impl.TestSerializerHook$TestSerializer");
        serializerConfig.setTypeClassName("com.hazelcast.internal.serialization.impl.SampleIdentifiedDataSerializable");

        SerializationConfig serializationConfig = getConfig().getSerializationConfig();
        serializationConfig.addSerializerConfig(serializerConfig);

        SerializerHookLoader hook = new SerializerHookLoader(serializationConfig, classLoader);
        Map<Class, Object> serializers = hook.getSerializers();
        assertNotNull(serializers);
    }