Added test for generic operator

idea/idea-completion/testData/smart/propertyDelegate/GenericOperator.kt

@@ -0,0 +1,10 @@
+import kotlin.reflect.KProperty
+
+operator fun <T> List<T>.getValue(thisRef: T, property: KProperty<*>): Int = indexOf(thisRef)
+
+class C {
+    val property by <caret>
+}
+
+// EXIST: lazy
+// EXIST: listOf