Add failing test for #19

[codecov[bot]]

Codecov Report

Base: 42.94% // Head: 43.27% // Increases project coverage by +0.32% :tada:

Coverage data is based on head (8106260) compared to base (2b603d7). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #20 +/- ## ========================================== + Coverage 42.94% 43.27% +0.32% ========================================== Files 50 50 Lines 9432 9463 +31 ========================================== + Hits 4051 4095 +44 + Misses 5381 5368 -13 ``` | [Impacted Files](https://codecov.io/gh/nlmixr2/rxode2parse/pull/20?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nlmixr2) | Coverage Δ | | |---|---|---| | [src/parseFunsLinCmt.h](https://codecov.io/gh/nlmixr2/rxode2parse/pull/20/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nlmixr2#diff-c3JjL3BhcnNlRnVuc0xpbkNtdC5o) | `75.75% <100.00%> (+11.68%)` | :arrow_up: | | [src/parseCmtProperties.h](https://codecov.io/gh/nlmixr2/rxode2parse/pull/20/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nlmixr2#diff-c3JjL3BhcnNlQ210UHJvcGVydGllcy5o) | `86.66% <0.00%> (+0.60%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nlmixr2). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nlmixr2)

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