[C++] Create initial collection of "ill-behaved CSVs" in apache/arrow-testing



**Reporter**: [Wes McKinney](https://issues.apache.org/jira/browse/ARROW-3079) / @wesm

<sub>**Note**: *This issue was originally created as [ARROW-3079](https://issues.apache.org/jira/browse/ARROW-3079). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*</sub>