Fixed bug related to issue #293, amended tests to check in the future

[IgorTatarnikov]

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Description

What is this PR Addresses #293, removes the z mirror and adds tests for this bug in the future.

• [x] Bug fix
• [ ] Addition of a new feature
• [ ] Other

Why is this PR needed?

What does this PR do?

References

Closes #293

How has this PR been tested?

Tests added to check for this issue.

Is this a breaking change?

No

Does this PR require an update to the documentation?

No

Checklist:

• [x] The code has been tested locally
• [x] Tests have been added to cover all new functionality (unit & integration)
• [x] The code has been formatted with pre-commit

[codecov[bot]]

Codecov Report

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

Comparison is base (7d00370) 86.24% compared to head (a1c23fe) 86.23%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #296 +/- ## ========================================== - Coverage 86.24% 86.23% -0.02% ========================================== Files 26 26 Lines 1214 1213 -1 ========================================== - Hits 1047 1046 -1 Misses 167 167 ```

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