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

compiler/testData/codegen/boxAgainstJava/enum/nameConflict.kt

@@ -1,3 +1,4 @@
+// MODULE: lib
 // FILE: C.java
 public enum C {
     OK(0);
@@ -9,6 +10,7 @@ public enum C {
     public int getOrdinal() { return ordinal; }
 }
 
+// MODULE: main(lib)
 // FILE: 1.kt
 fun box(): String {
     val ok = C.OK
@@ -16,4 +18,4 @@ fun box(): String {
         C.OK -> "OK"
         else -> "fail"
     }
-}
+}