void () { myFixture.testHighlighting("MyExtensionPoint.java", "extensionPointQualifiedName.xml", "ExtensionPoint.java"); IntentionAction intention = myFixture.findSingleIntention("Register extension"); myFixture.launchAction(intention); myFixture.checkResultByFile("extensionPointQualifiedName.xml", "extensionPointQualifiedName_after.xml", true); }