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

^KT-61259

native/native.tests/testData/codegen/boxing/boxing6.kt

@@ -0,0 +1,23 @@
+/*
+ * 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.boxing6
+
+import kotlin.test.*
+
+fun printInt(x: Int) = println(x)
+
+fun foo(arg: Any) {
+    printInt(arg as? Int ?: 16)
+}
+
+@Test fun runTest() {
+    foo(42)
+    foo("Hello")
+    val nonConstInt = 42
+    val nonConstString = "Hello"
+    foo(nonConstInt)
+    foo(nonConstString)
+}