Fix TYK2 example network tests

[jthorton]

Fixes #1038 by changing the expected edges for the TYK2 network.
Checklist

• Added a news entry

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• I certify that this contribution is covered by the MIT License here and the Developer Certificate of Origin at https://developercertificate.org/.

[github-actions]

🚨 API breaking changes detected! 🚨

[IAlibay]

Thanks lgtm!

[github-actions]

🚨 API breaking changes detected! 🚨

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.75%. Comparing base (7c67064) to head (224068d).
Report is 156 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1047      +/-   ##
==========================================
- Coverage   94.54%   92.75%   -1.79%     
==========================================
  Files         134      134              
  Lines        9984     9986       +2     
==========================================
- Hits         9439     9263     -176     
- Misses        545      723     +178     

Flag	Coverage Δ
fast-tests	92.75% <100.00%> (?)
slow-tests	?

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