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

^KT-61259

native/native.tests/testData/codegen/basics/unchecked_cast2.kt

@@ -0,0 +1,20 @@
+/*
+ * 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.basics.unchecked_cast2
+
+import kotlin.test.*
+
+@Test
+fun runTest() {
+    try {
+        val x = cast<String>(Any())
+        println(x.length)
+    } catch (e: Throwable) {
+        println("Ok")
+    }
+}
+
+fun <T> cast(x: Any?) = x as T