Some tests for override action has been added.

idea/testData/codeInsight/overrideImplement/overrideFunctionProperty.kt

@@ -0,0 +1,7 @@
+open class A() {
+    open val method : () -> Unit? = {println("hello")}
+}
+
+fun some() : A {
+    return object : A() {<caret>}
+}