[K/N][Tests] Adjust moved codegen tests to new infra

^KT-61259

native/native.tests/testData/codegen/innerClass/generic.kt

@@ -3,8 +3,6 @@
  * that can be found in the LICENSE file.
  */
 
-package codegen.innerClass.generic
-
 import kotlin.test.*
 
 class Outer {
@@ -18,7 +16,3 @@ fun box(): String {
     val x: Outer.Inner<String> = Outer().Inner("OK")
     return x.box()
 }
-
-@Test fun runTest() {
-    println(box())
-}