Turned on directory layout tests for emmo and made them pytest

[francescalb]

Description

The test did not run by default.

Type of change

• [ ] Bug fix.
• [ ] New feature.
• [ ] Documentation update.
• [ ] Test update.

Checklist

This checklist can be used as a help for the reviewer.

• [ ] Is the code easy to read and understand?
• [ ] Are comments for humans to read, not computers to disregard?
• [ ] Does a new feature has an accompanying new test (in the CI or unit testing schemes)?
• [ ] Has the documentation been updated as necessary?
• [ ] Does this close the issue?
• [ ] Is the change limited to the issue?
• [ ] Are errors handled for all outcomes?
• [ ] Does the new feature provide new restrictions on dependencies, and if so is this documented?

Comments

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (8ffe31b) 71.27% compared to head (11e6a64) 71.24%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #706 +/- ## ========================================== - Coverage 71.27% 71.24% -0.03% ========================================== Files 16 16 Lines 3405 3405 ========================================== - Hits 2427 2426 -1 - Misses 978 979 +1 ```

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