fix: add fixtures for waffle related tests to pass

[nboyse]

Signed-off-by: DBT pre-commit check

Context

What

Have you written unit tests?

• Yes
• No (add why you have not)

Are there any specific instructions on how to test this change?

• Yes (if so provide more detail)
• No

Relevant links

[github-actions]

Dependency Review

✅ No vulnerabilities or OpenSSF Scorecard issues found.

Scanned Files

None

[codecov-commenter]

Codecov Report

❌ Patch coverage is 68.00000% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.99%. Comparing base (fd9550a) to head (174ca1f).

Files with missing lines	Patch %	Lines
...edbox_core/migrations/0113_migrate_waffle_flags.py	55.55%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1021      +/-   ##
==========================================
- Coverage   83.32%   81.99%   -1.33%     
==========================================
  Files          32      201     +169     
  Lines        4125     8272    +4147     
==========================================
+ Hits         3437     6783    +3346     
- Misses        688     1489     +801     

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