fix tests in org.jetbrains.kotlin.checkers

compiler/testData/diagnostics/tests/multimodule/duplicateClass/duplicateClass.txt

@@ -28,7 +28,7 @@ package p {
 
     public final class A {
         public constructor A()
-        internal final val x: kotlin.Int = 1
+        public final val x: kotlin.Int = 1
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
@@ -39,7 +39,7 @@ package p {
 // -- Module: <m3> --
 package
 
-internal fun test(): kotlin.Unit
+public fun test(): kotlin.Unit
 
 package p {
     public fun foo(/*0*/ a: p.A): kotlin.Unit