[K/N][Tests] Migrate framework and objcexport tests

^KT-61259

native/native.tests/testData/framework/objcexport/deallocRetain.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2020 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.
+ */
+
+@file:OptIn(kotlin.experimental.ExperimentalNativeApi::class)
+package deallocretain
+
+open class DeallocRetainBase
+
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
+fun garbageCollect() = kotlin.native.runtime.GC.collect()
+
+fun createWeakReference(value: Any) = kotlin.native.ref.WeakReference(value)
+
+fun assertNull(value: Any?) {
+    kotlin.test.assertNull(value)
+}
+
+@OptIn(kotlin.ExperimentalStdlibApi::class)
+fun isExperimentalMM() = kotlin.native.isExperimentalMM()