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

^KT-61259

native/native.tests/testData/codegen/devirtualization/anonymousObject.kt

@@ -3,13 +3,17 @@
  * that can be found in the LICENSE file.
  */
 
+import kotlin.test.*
+
+val sb = StringBuilder()
+
 interface I {
     fun foo()
 }
 
 fun test() {
     val impl = object : I {
-        override fun foo() { println("zzz") }
+        override fun foo() { sb.append("zzz") }
     }
 
     val delegating = object: I by impl { }
@@ -17,6 +21,9 @@ fun test() {
     delegating.foo()
 }
 
-fun main() {
+fun box(): String {
     test()
+    assertEquals("zzz", sb.toString())
+
+    return "OK"
 }

native/native.tests/testData/codegen/devirtualization/anonymousObject.out

@@ -1 +0,0 @@
-zzz

native/native.tests/testData/codegen/devirtualization/getter_looking_as_box_function.kt

@@ -1,5 +1,5 @@
-class Foo(val box: String = "box")
+class Foo(val box: String = "OK")
 
-fun main() {
-    println(Foo().box)
+fun box(): String {
+    return Foo().box
 }

native/native.tests/testData/codegen/devirtualization/getter_looking_as_box_function.out

@@ -1 +0,0 @@
-box

native/native.tests/testData/codegen/devirtualization/inline_getter.kt

@@ -1,3 +1,5 @@
+import kotlin.test.*
+
 interface Base { val id: Int }
 
 inline class Child(override val id: Int = 1) : Base
@@ -5,9 +7,11 @@ inline class Child(override val id: Int = 1) : Base
 interface Base2 { val prop: Base }
 class Child2(override val prop: Child) : Base2
 
-fun main() {
+fun box(): String {
     val x : Base = Child(5)
-    println(x.id)
+    assertEquals(5, x.id)
     val y : Base2 = Child2(Child(5))
-    println(y.prop)
+    assertEquals("Child(id=5)", y.prop.toString())
+
+    return "OK"
 }

native/native.tests/testData/codegen/devirtualization/inline_getter.out

@@ -1,2 +0,0 @@
-5
-Child(id=5)

native/native.tests/testData/codegen/devirtualization/lateinitInterface.kt

@@ -1,3 +1,4 @@
+import kotlin.test.*
 interface I {
     fun foo(): Int
 }
@@ -10,5 +11,10 @@ fun main(args: Array<String>) {
     lateinit var a: I
     if (args.size == 0)
         a = A()
-    println(a.foo())
-}
+    assertEquals(42, a.foo())
+}
+
+fun box(): String {
+    main(emptyArray())
+    return "OK"
+}

native/native.tests/testData/codegen/devirtualization/lateinitInterface.out

@@ -1 +0,0 @@
-42