JS: move expressions test to box tests

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

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