fix tests in org.jetbrains.kotlin.checkers

compiler/testData/diagnostics/tests/enum/inner/insideEnum.txt

@@ -1,6 +1,6 @@
 package
 
-internal final enum class E : kotlin.Enum<E> {
+public final enum class E : kotlin.Enum<E> {
     enum entry ABC
 
     private constructor E()
@@ -12,7 +12,7 @@ internal final enum class E : kotlin.Enum<E> {
     public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 
-    internal final enum class F : kotlin.Enum<E.F> {
+    public final enum class F : kotlin.Enum<E.F> {
         enum entry DEF
 
         private constructor F()