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

js/js.translator/testData/box/closure/objectWithInvokeOperator.kt

@@ -0,0 +1,36 @@
+package foo
+
+object O {
+    val result = "O"
+}
+
+operator fun O.invoke() = result
+
+
+class A(val x: Int) {
+    companion object {
+        val result = "A"
+    }
+}
+
+operator fun A.Companion.invoke() = result
+
+
+enum class B {
+    E {
+        val result = "B"
+
+        override operator fun invoke() = result
+    };
+
+    abstract operator fun invoke(): String
+}
+
+fun f() = { O() + A() + B.E() }
+
+fun box(): String {
+    val result = f()()
+    if (result != "OAB") return "expected 'OAB', got '$result'"
+
+    return "OK"
+}