Page page = newPage(PAGE_NAME);
Component component = mockComponent();
ComponentModel model = mockComponentModel();
ComponentPageElement childElement = mockComponentPageElement();
Component childComponent = mockComponent();
TypeCoercer coercer = mockTypeCoercer();
Instantiator ins = newInstantiator(component, model);
train_getId(childElement, "child");
train_getComponent(childElement, childComponent);