New J2K: fix testData

nj2k/testData/newJ2k/function/extendsBaseWhichExtendsObject.kt

@@ -1,6 +1,6 @@
 // ERROR: Unresolved reference: clone
 // ERROR: Unresolved reference: finalize
-internal class Test : Base(), Cloneable {
+internal class Test : Base() {
     override fun hashCode(): Int {
         return super.hashCode()
     }
@@ -43,7 +43,7 @@ internal open class Base : Cloneable {
     }
 
     @Throws(Throwable::class)
-    protected open fun finalize() {
+    protected override fun finalize() {
         super.finalize()
     }
 }

nj2k/testData/newJ2k/function/overrideObject.kt

@@ -17,7 +17,7 @@ internal class X : Cloneable {
     }
 }
 
-internal class Y : Thread(), Cloneable {
+internal class Y : Thread() {
     @Throws(CloneNotSupportedException::class)
     override fun clone(): Any {
         return super.clone()

nj2k/testData/newJ2k/function/varVararg.kt

@@ -1,7 +1,7 @@
 package demo
 
 internal class Test {
-    fun test(vararg args: Any?) {
+    fun test(vararg args: Any) {
         var args = args
         args = arrayOf(1, 2, 3)
     }