j2k: flatten test cases and testData directory structure

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

j2k/testData/fileOrElement/constructors/withManyDefaultParams.kt

@@ -0,0 +1,37 @@
+// ERROR: 'public fun Test(name: kotlin.String): Test' is already defined in root package
+// ERROR: 'public constructor Test(myName: kotlin.String)' is already defined in root package
+// ERROR: None of the following functions can be called with the arguments supplied:  public fun Test(): Test defined in root package public fun Test(name: kotlin.String): Test defined in root package public constructor Test(myName: kotlin.String) defined in Test
+// ERROR: Overload resolution ambiguity:  public fun Test(name: kotlin.String): Test defined in root package public constructor Test(myName: kotlin.String) defined in Test
+// ERROR: Overload resolution ambiguity:  public fun Test(name: kotlin.String): Test defined in root package public constructor Test(myName: kotlin.String) defined in Test
+public fun Test(): Test {
+    return Test(null)
+}
+
+public fun Test(name: String): Test {
+    return Test(Test.foo(name))
+}
+
+public class Test(private val myName: String) {
+    var a: Boolean = false
+    var b: Double = 0.toDouble()
+    var c: Float = 0.toFloat()
+    var d: Long = 0
+    var e: Int = 0
+    protected var f: Short = 0
+    protected var g: Char = ' '
+
+    class object {
+
+        fun foo(n: String): String {
+            return ""
+        }
+    }
+}
+
+public class User {
+    class object {
+        public fun main() {
+            val t = Test("name")
+        }
+    }
+}