New J2K: Split old j2k and new j2k tests

nj2k/testData/newJ2k/constructors/identifier.kt

@@ -0,0 +1,29 @@
+// ERROR: Property must be initialized or be abstract
+class Identifier {
+    val name: String
+    private var myHasDollar = false
+    private var myNullable = true
+
+    constructor(name: String) {
+        this.name = name
+    }
+
+    constructor(name: String, isNullable: Boolean) {
+        this.name = name
+        myNullable = isNullable
+    }
+
+    constructor(name: String, hasDollar: Boolean, isNullable: Boolean) {
+        this.name = name
+        myHasDollar = hasDollar
+        myNullable = isNullable
+    }
+}
+
+object User {
+    fun main() {
+        val i1 = Identifier("name", false, true)
+        val i2 = Identifier("name", false)
+        val i3 = Identifier("name")
+    }
+}