[ENH] add tests for TiDEModel with test_tide.py

[PranavBhatP]

Description

This PR fixes #1807

Checklist

• Linked issues (if existing)
• Amended changelog for large changes (and added myself there as contributor)
• Added/modified tests
• Used pre-commit hooks when committing to ensure that code is compliant with hooks. Install hooks with pre-commit install.
  To run hooks independent of commit, execute pre-commit run --all-files

Make sure to have fun coding!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1814   +/-   ##
=======================================
  Coverage        ?   88.88%           
=======================================
  Files           ?       46           
  Lines           ?     5301           
  Branches        ?        0           
=======================================
  Hits            ?     4712           
  Misses          ?      589           
  Partials        ?        0           

Flag	Coverage Δ
cpu	88.88% <ø> (?)
pytest	88.88% <ø> (?)

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