j2k: flatten test cases and testData directory structure

Move j2k/test/tests -> j2k/tests, j2k/test/testData -> j2k/testData

j2k/testData/fileOrElement/constructors/methodCallInFactoryFun.kt

@@ -0,0 +1,24 @@
+// ERROR: Cannot access 'staticFoo': it is 'private' in '<class-object-for-C>'
+// ERROR: Cannot access 'staticFoo': it is 'private' in '<class-object-for-C>'
+fun C(arg1: Int, arg2: Int, other: C): C {
+    val __ = C(arg1, arg2, 0)
+    System.out.println(__.foo(1) + __.foo(2) + other.foo(3) + C.staticFoo(4) + C.staticFoo(5))
+    return __
+}
+
+class C(private val arg1: Int, private val arg2: Int, private val arg3: Int) {
+
+    fun foo(p: Int): Int {
+        return p
+    }
+
+    class object {
+        private fun staticFoo(p: Int): Int {
+            return p
+        }
+
+        public fun staticFoo2(): Int {
+            return 0
+        }
+    }
+}