tests: Update external tests (1.1.2-dev-393)

backend.native/tests/external/codegen/box/arrays/kt7338.kt

@@ -0,0 +1,12 @@
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS
+
+// WITH_RUNTIME
+
+fun foo(x : Any): String {
+    return if(x is Array<*> && x.isArrayOf<String>()) (x as Array<String>)[0] else "fail"
+}
+
+fun box(): String {
+    return foo(arrayOf("OK"))
+}