[K/N] Create test model for building/executing C-Interop tests

^KT-63287 Fixed

native/native.tests/testData/CInterop/executable/KT-63048/library.def

@@ -0,0 +1,2 @@
+language = Objective-C
+headers = library.h

native/native.tests/testData/CInterop/executable/KT-63048/library.h

@@ -0,0 +1,7 @@
+#import "Foundation/NSString.h"
+#import "Foundation/NSObject.h"
+
+@interface WithClassProperty : NSObject
+-(instancetype) init;
+@property (class, readonly, copy) NSString * stringProperty;
+@end

native/native.tests/testData/CInterop/executable/KT-63048/library.m

@@ -0,0 +1,6 @@
+#import "library.h"
+
+@implementation WithClassProperty : NSObject
+-(instancetype) init {}
++ (NSString *) stringProperty { return @"153"; }
+@end

native/native.tests/testData/CInterop/executable/KT-63048/usage.kt

@@ -0,0 +1,22 @@
+@file:OptIn(kotlinx.cinterop.ExperimentalForeignApi::class, kotlin.experimental.ExperimentalObjCName::class)
+
+import library.*
+import kotlin.test.assertEquals
+
+@ObjCName("KotlinImplWithCompanionPropertyOverride")
+class Impl : WithClassProperty() {
+    companion object : WithClassPropertyMeta() {
+        override fun stringProperty(): String? = "42"
+    }
+}
+
+@ObjCName("KotlinImplWithoutCompanionPropertyOverride")
+class ImplWithoutOverride : WithClassProperty() {
+    companion object : WithClassPropertyMeta() {
+    }
+}
+
+fun main() {
+    assertEquals("42", Impl.stringProperty())
+    assertEquals("153", ImplWithoutOverride.stringProperty())
+}