Make stress tests less stressful

[alganet]

Reduces the amount of memory usage and make tests faster, we don't actually need a router with 2500 patterns or so, 100 is already huge.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.83%. Comparing base (3b5efc3) to head (cd7af4c).

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #183      +/-   ##
============================================
+ Coverage     98.80%   98.83%   +0.03%     
  Complexity      394      394              
============================================
  Files            31       31              
  Lines          1004     1032      +28     
============================================
+ Hits            992     1020      +28     
  Misses           12       12              

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