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

backend.native/tests/external/codegen/box/extensionProperties/inClassWithSetter.kt

@@ -0,0 +1,19 @@
+class Test {
+    var storage = "Fail"
+
+    var Int.foo: String
+        get() = storage
+        set(value) {
+            storage = value
+        }
+
+    fun test(): String {
+        val i = 1
+        i.foo = "OK"
+        return i.foo
+    }
+}
+
+fun box(): String {
+    return Test().test()
+}