Add missing enum entry added/removed tests

#KT-6200 fixed

Original commit: 9523a8b88d

jps/jps-plugin/testData/incremental/classHierarchyAffected/enumEntryRemoved/use.kt.new.2

@@ -0,0 +1,7 @@
+import Enum.*
+
+fun use(e: Enum): String =
+        when (e) {
+            A -> "A"
+            B -> "B"
+        }