[K/N][tests] Migrate link tests to new testing infra ^KT-61259

native/native.tests/testData/codegen/link/link.kt

@@ -0,0 +1,23 @@
+// MODULE: lib
+// FILE: lib1.kt
+
+package qwerty
+
+fun foo(a: String): String {
+    return a
+}
+
+// FILE: lib2.kt
+
+package qwerty
+
+fun foo2(a: String): String {
+    return a
+}
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+import qwerty.*
+
+fun box() = foo(foo2("OK"))