[Test] Merge box against java tests into codegen black box tests

compiler/testData/codegen/boxAgainstJava/functions/referencesStaticInnerClassMethodL2.kt

@@ -1,3 +1,4 @@
+// MODULE: lib
 // FILE: R.java
 
 class R {
@@ -8,6 +9,7 @@ class R {
     }
 }
 
+// MODULE: main(lib)
 // FILE: 1.kt
 
 fun box() =