JS: move expressions test to box tests

js/js.translator/testData/box/expression/invoke/invokeWithDispatchAndExtensionReceivers.kt

@@ -0,0 +1,11 @@
+package foo
+
+class A
+
+fun box(): String {
+    val a = A()
+    val b = fun A.(i: Int) = i
+    val result = a.(b)(1)
+    if (result != 1) return "fail: $result"
+    return "OK"
+}