[DRE-maint] Bug#918611: ruby-jquery-atwho-rails FTBFS with rails 5.2

[Adrian Bunk]

Source: ruby-jquery-atwho-rails
Version: 1.3.2-2
Severity: serious
Tags: ftbfs buster sid

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/ruby-jquery-atwho-rails.html

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

RUBYLIB=/build/1st/ruby-jquery-atwho-rails-1.3.2/debian/ruby-jquery-atwho-rails/usr/lib/ruby/vendor_ruby:. GEM_PATH=debian/ruby-jquery-atwho-rails/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

An error occurred while loading ./spec/generators/install_generator_spec.rb.
Failure/Error: if ::Rails.version < "3.1" || !::Rails.application.config.assets.enabled

NoMethodError:
  undefined method `assets' for #<Rails::Application::Configuration:0x00005645a40b95d8>
  Did you mean?  asset_host
# ./lib/generators/atwho/install_generator.rb:5:in `<top (required)>'
# ./spec/spec_helper.rb:23:in `<top (required)>'
# ./spec/generators/install_generator_spec.rb:1:in `<top (required)>'
No examples found.


Finished in 0.00044 seconds (files took 1.25 seconds to load)
0 examples, 0 failures, 1 error occurred outside of examples

/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-jquery-atwho-rails-1.3.2/debian/ruby-jquery-atwho-rails returned exit code 1
make: *** [debian/rules:18: binary] Error 1