public void CreatesForms()
{
var formTypeProvider = Mock.Of <IFormTypeProvider>();
Mock.Get(formTypeProvider).Setup(p => p.GetTypes()).Returns(new List <Type> {
typeof(MyForm)
});
var result = new FormCreator(Mock.Of <IFormFieldCreator>(), formTypeProvider).Create();
Assert.Single(result);
Assert.Equal("lorem-ipsum", result.Single().Id);
}