[tor-bugs] #19755 [Metrics/CollecTor]: improve code quality of bridgedescs module

[Tor Bug Tracker & Wiki]

#19755: improve code quality of bridgedescs module
-------------------------------+---------------------------------
 Reporter:  iwakeh             |          Owner:  iwakeh
     Type:  enhancement        |         Status:  needs_review
 Priority:  Medium             |      Milestone:  CollecTor 1.1.0
Component:  Metrics/CollecTor  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:
-------------------------------+---------------------------------

Comment (by iwakeh):

 add tests also for new code from #20037.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19755#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online