Fix flaky faraday spec

[solnic]

#skip-changelog

[solnic]

@sl0thentr0py jruby is broken again, I'm trying to address it in #2665 separately :(

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.40%. Comparing base (818b6c0) to head (881652c).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2666      +/-   ##
==========================================
- Coverage   97.48%   97.40%   -0.08%     
==========================================
  Files         134      134              
  Lines        5169     5169              
==========================================
- Hits         5039     5035       -4     
- Misses        130      134       +4     

Components	Coverage Δ
sentry-ruby	97.73% <ø> (ø)
sentry-rails	96.10% <ø> (-0.60%)	⬇️
sentry-sidekiq	96.57% <ø> (ø)
sentry-resque	94.44% <ø> (ø)
sentry-delayed_job	94.68% <ø> (ø)
sentry-opentelemetry	99.31% <ø> (ø)
see 1 file with indirect coverage changes

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