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

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

@@ -0,0 +1,24 @@
+package foo
+
+class Foo {
+    val OK = "OK";
+    var result: String = ""
+    init {
+        fun bar(s: String? = null) {
+            if (s != null) {
+                result = s
+                return
+            }
+
+            myRun {
+                bar(OK)
+            }
+        }
+        bar();
+    }
+
+}
+
+fun box(): String {
+    return Foo().result
+}