[K/N][Tests] Migrate objcSmoke & objcTests tests

^KT-61259

native/native.tests/testData/interop/objc/tests/kt38850.kt

@@ -0,0 +1,12 @@
+import kotlinx.cinterop.*
+import kotlin.test.*
+import objcTests.*
+
+enum class ColorRef(val color: KT38850Color){
+    Black(KT38850Color.blackColor()),
+}
+
+@Test
+fun testKT38850() {
+    assertEquals("black", ColorRef.Black.color.name)
+}