[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979

compiler/testData/codegen/box/function/defaults1.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun foo(x:Int = 0, y:Int = x + 1, z:Int = x + y + 1) = x + y + z
+
+fun box(): String {
+  val v = foo()
+  if (v != 3) {
+    println("test failed $v expected 3")
+    throw  Error()
+  }
+  return "OK"
+}