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

^KT-65979

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

@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+import kotlin.reflect.KProperty
+
+val sb = StringBuilder()
+
+class Delegate {
+    operator fun getValue(receiver: Any?, p: KProperty<*>): Int {
+        sb.appendLine(p.name)
+        return 42
+    }
+}
+
+val x: Int by Delegate()
+
+fun box(): String {
+    sb.appendLine(x)
+
+    assertEquals("""
+        x
+        42
+
+    """.trimIndent(), sb.toString())
+    return "OK"
+}