JS backend: testFiles -> testData

js/js.translator/testData/delegateProperty/cases/delegateForExtProperty.kt

@@ -0,0 +1,14 @@
+package foo
+
+class Delegate {
+    fun get(t: A, p: PropertyMetadata): Int = 1
+}
+
+val A.prop: Int by Delegate()
+
+class A {
+}
+
+fun box(): String {
+    return if (A().prop == 1) "OK" else "fail"
+}