public void ReplaceClassWithEntitIndexAttribute(ClassWithEntitIndexAttribute newValue)
    {
        var index     = TestComponentsLookup.ClassWithEntitIndexAttribute;
        var component = (ClassWithEntitIndexAttributeComponent)CreateComponent(index, typeof(ClassWithEntitIndexAttributeComponent));

        component.value = newValue;
        ReplaceComponent(index, component);
    }
    public void AddClassWithEntitIndexAttribute(ClassWithEntitIndexAttribute newValue)
    {
        var index     = TestComponentsLookup.ClassWithEntitIndexAttribute;
        var component = CreateComponent <ClassWithEntitIndexAttributeComponent>(index);

        component.value = newValue;
        AddComponent(index, component);
    }