j2k: flatten test cases and testData directory structure

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

j2k/testData/fileOrElement/constructors/qualifiedRefInFactoryFun.kt

@@ -0,0 +1,16 @@
+// ERROR: Cannot access 'arg1': it is 'private' in 'C'
+// ERROR: Cannot access 'arg2': it is 'private' in 'C'
+fun C(arg1: Int, arg2: Int, other: C): C {
+    val __ = C(arg1, arg2, 0)
+    System.out.println(__.arg1 + other.arg2)
+    return __
+}
+
+class C(private val arg1: Int, private val arg2: Int, private val arg3: Int)
+
+class User {
+    fun foo() {
+        val c1 = C(100, 100, 100)
+        val c2 = C(100, 100, c1)
+    }
+}