JS: create new common directory for all generated tests, migrate several tests there

js/js.translator/testData/box/inheritance/fromFakeClasses.kt

@@ -0,0 +1,44 @@
+package foo
+
+class FromAny : Any()
+
+class FromIterable(val n: Int) : Iterable<Int> {
+    override fun iterator() = object: Iterator<Int> {
+        var i = 0
+        override fun next() = i++
+        override fun hasNext() = i < n
+    }
+}
+
+fun <T> Iterable<T>.stringify(): String {
+    var s = ""
+    for (i in this) s += i
+    return s
+}
+
+fun box(): String {
+    val a = FromAny()
+    val it = FromIterable(3)
+
+    val s = it.stringify()
+    if (s != "012") return "s /*$s*/ != 012"
+
+    var ao = object : Any() {
+    }
+    var ito = object : Iterable<Int> {
+        override public fun iterator() = object: Iterator<Int> {
+            var i = 0
+            override fun next(): Int {
+                var r = i
+                i += 2
+                return r
+            }
+            override fun hasNext() = i < 9
+        }
+    }
+
+    val so = ito.stringify()
+    if (so != "02468") return "so /*$so*/ != 02468"
+
+    return "OK"
+}