CfmlParameterInfoHandler parameterInfoHandler = new CfmlParameterInfoHandler();
MockCreateParameterInfoContext createContext = new MockCreateParameterInfoContext(myFixture.getEditor(), myFixture.getFile());
PsiElement elt = parameterInfoHandler.findElementForParameterInfo(createContext);
assertNotNull(elt);
parameterInfoHandler.showParameterInfo(elt, createContext);
Object[] items = createContext.getItemsToShow();
assertTrue(items != null);
assertTrue(items.length > 0);
MockParameterInfoUIContext context = new MockParameterInfoUIContext<PsiElement>(elt);
parameterInfoHandler.updateUI((CfmlFunctionDescription)items[0], context);