FormWidget form = makeUsualForm();
assertTrue("'myCheckBox' must contain a CheckboxControl!", form.getControlByFullName("myCheckBox") instanceof CheckboxControl);
assertTrue("'hierarchyTest.myTextarea' must contain a TextareaControl!", form.getControlByFullName("hierarchyTest.myTextarea") instanceof TextareaControl);
Control result = form.getControlByFullName("hierarchyTestm.yTextarea");
assertTrue("An exception must be thrown if wrong element name is given!", result == null);
}