[K/N][tests] Adjust moved tests to new testing infra

^KT-61259

native/native.tests/testData/codegen/initializers/initializers4.kt

@@ -2,15 +2,14 @@
  * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
  * that can be found in the LICENSE file.
  */
-
-package runtime.basic.initializers4
-
 import kotlin.test.*
 
 const val INT_MAX_POWER_OF_TWO: Int = Int.MAX_VALUE / 2 + 1
 val DOUBLE = Double.MAX_VALUE - 1.0
 
-@Test fun runTest() {
-    println(INT_MAX_POWER_OF_TWO)
-    println(DOUBLE > 0.0)
+fun box(): String {
+    assertEquals(1073741824, INT_MAX_POWER_OF_TWO)
+    assertTrue(DOUBLE > 0.0)
+
+    return "OK"
 }