Run options: --seed 20261002

# Running:

..F

Finished in 0.000477s, 6289.3082 runs/s, 6289.3082 assertions/s.

  1) Failure:
ProtocolTest#test_contract_0 [protocol_test.rb:6]:
filter keeps threshold and does not mutate

3 runs, 3 assertions, 1 failures, 0 errors, 0 skips
