[K/N][Tests] Migrate framework and objcexport tests

^KT-61259

native/native.tests/testData/framework/objcexport/kt49937.kt

@@ -0,0 +1,14 @@
+/*
+ * 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 kt49937
+
+// Based on https://youtrack.jetbrains.com/issue/KT-49937
+
+final class KT49937 {
+    override fun toString(): String {
+        return "KT49937"
+    }
+}