Test failure: avm1/from_shumway/duplicatemovieclip/dontremove

Test path: `tests/tests/swfs/avm1/from_shumway/duplicatemovieclip/dontremove`

# Expected
```
_level0.test
_level0.test1
_level0.test2
_level0.test
_level0.test1
undefined
```

# Actual
```
_level0.test
_level0.test1
_level0.test2
_level0.test
_level0.test1
_level0.test2
```

# Difference
```diff
6c6
< undefined
---
> _level0.test2
```