[DRE-maint] Bug#896175: ruby-notifier: FTBFS and Debci failure with ruby-did-you-mean 1.2.1-1

[Adrian Bunk]

Source: ruby-notifier
Version: 0.5.1-2
Severity: serious
Tags: buster sid

https://ci.debian.net/packages/r/ruby-notifier/unstable/amd64/
https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/ruby-notifier.html

...

┌──────────────────────────────────────────────────────────────────────────────┐
│ Run tests for ruby2.5 from debian/ruby-tests.rake                            │
└──────────────────────────────────────────────────────────────────────────────┘

RUBYLIB=/build/1st/ruby-notifier-0.5.1/debian/ruby-notifier/usr/lib/ruby/vendor_ruby:. GEM_PATH=debian/ruby-notifier/usr/share/rubygems-integration/all:/var/lib/gems/2.5.0:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.5.0:/usr/share/rubygems-integration/2.5.0:/usr/share/rubygems-integration/all ruby2.5 -S rake -f debian/ruby-tests.rake
/usr/bin/ruby2.5 /usr/bin/rspec --pattern ./spec/\*_spec.rb
.F........

Failures:

  1) Notifier returns first available notifier
     Failure/Error: expect(Notifier.notifier).to eql(Notifier::Snarl)

       expected: Notifier::Snarl
            got: Notifier::Knotify

       (compared using eql?)

       Diff:
       @@ -1,2 +1,2 @@
       -Notifier::Snarl
       +Notifier::Knotify
     # ./spec/notifier_spec.rb:20:in `block (2 levels) in <top (required)>'

Finished in 0.09405 seconds (files took 0.33104 seconds to load)
10 examples, 1 failure

Failed examples:

rspec ./spec/notifier_spec.rb:16 # Notifier returns first available notifier

/usr/bin/ruby2.5 /usr/bin/rspec --pattern ./spec/\*_spec.rb failed
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /build/1st/ruby-notifier-0.5.1/debian/ruby-notifier returned exit code 1
make: *** [debian/rules:15: binary] Error 1