[K/N][Tests] Move some codegen tests to new infra: annotations..coroutines

^KT-61259

native/native.tests/testData/codegen/boxing/boxing0.kt

@@ -0,0 +1,21 @@
+/*
+ * 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 codegen.boxing.boxing0
+
+import kotlin.test.*
+
+class Box<T>(t: T) {
+    var value = t
+}
+
+@Test fun runTest() {
+    val box: Box<Int> = Box<Int>(17)
+    println(box.value)
+    val nonConst = 17
+    val box2: Box<Int> = Box<Int>(nonConst)
+    println(box2.value)
+}
+