[K/N][Tests] Adjust moved codegen tests to new infra

^KT-61259

native/native.tests/testData/codegen/escapeAnalysis/stackAllocated.kt

@@ -2,8 +2,8 @@
  * Copyright 2010-2021 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 codegen.escapeAnalysis.stackAllocated
+// IGNORE_NATIVE: optimizationMode=DEBUG
+// IGNORE_NATIVE: optimizationMode=NO
 
 import kotlin.test.*
 import kotlin.native.internal.*
@@ -18,6 +18,8 @@ fun f(x: Int): Int {
     return a.f(x)
 }
 
-@Test fun runTest() {
+fun box(): String {
     assertEquals(f(42), 55)
+
+    return "OK"
 }