sandbox/src/main/java/org/robolectric/internal/bytecode/ClassInstrumentor.java
private void makeClassPublic(ClassNode clazz) {
    clazz.access = (clazz.access | Opcodes.ACC_PUBLIC) & ~(Opcodes.ACC_PROTECTED | Opcodes.ACC_PRIVATE);
  }
private void makeClassPublic(ClassNode clazz) {
    clazz.access = (clazz.access | Opcodes.ACC_PUBLIC) & ~(Opcodes.ACC_PROTECTED | Opcodes.ACC_PRIVATE);
  }
Replaces protected and private class modifiers with public.