[K2/N] Add klib contents serialization tests from old testinfra

Merge-request: KT-MR-8509
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

native/native.tests/testData/klibContents/builtinsSerializer/nestedClassesAndObjects.kt

@@ -0,0 +1,33 @@
+// KT-56190 K2 does not emit const initializers
+// MUTED_WHEN: K2
+package test
+
+class ClassA {
+    class classB {
+        fun memberFromB(): Int = 100
+
+        class BC {
+            val memberFromBB: Int = 150
+        }
+
+        object BO {
+            val memberFromBO: Int = 175
+        }
+    }
+
+    inner class classC {
+        val memberFromC: Int = 200
+    }
+
+    companion object {
+        val stat: Int = 250
+
+        class D {
+            val memberFromD: Int = 275
+        }
+    }
+
+    object ObjA {
+        val memberFromObjA: Int = 300
+    }
+}