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

^KT-65979

compiler/testData/codegen/box/delegatedProperty/map.kt

@@ -0,0 +1,23 @@
+/*
+ * 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.*
+
+class User(val map: Map<String, Any?>) {
+    val name: String by map
+    val age: Int     by map
+}
+
+fun box(): String {
+    val user = User(mapOf(
+            "name" to "John Doe",
+            "age"  to 25
+    ))
+    assertEquals("John Doe", user.name)
+    assertEquals(25, user.age)
+
+    return "OK"
+}