[DRE-maint] Bug#966153: ruby-pathname2 FTBFS: test failure

[Adrian Bunk]

Source: ruby-pathname2
Version: 1.8.2-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/fetch.php?pkg=ruby-pathname2&arch=all&ver=1.8.2-1&stamp=1595529756&raw=0

...
┌──────────────────────────────────────────────────────────────────────────────┐
│ Run tests for ruby2.7 from debian/ruby-test-files.yaml                       │
└──────────────────────────────────────────────────────────────────────────────┘

RUBYLIB=/<<PKGBUILDDIR>>/debian/ruby-pathname2/usr/lib/ruby/vendor_ruby:. GEM_PATH=/<<PKGBUILDDIR>>/debian/ruby-pathname2/usr/share/rubygems-integration/all:/var/lib/gems/2.7.0:/usr/local/lib/ruby/gems/2.7.0:/usr/lib/ruby/gems/2.7.0:/usr/lib/x86_64-linux-gnu/ruby/gems/2.7.0:/usr/share/rubygems-integration/2.7.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.7.0 ruby2.7 -ryaml -e YAML.load_file\(\"debian/ruby-test-files.yaml\"\).each\ \{\ \|f\|\ require\ f\ \}
Loaded suite -e
Started
...................................F
===============================================================================
Failure: test: version is set to expected value(TC_Pathname_Version)
/<<PKGBUILDDIR>>/test/test_version.rb:11:in `block in <class:TC_Pathname_Version>'
      8: 
      9: class TC_Pathname_Version < Test::Unit::TestCase
     10:   test "version is set to expected value" do
  => 11:     assert_equal('1.8.1', Pathname::VERSION)
     12:   end
     13: 
     14:   test "version is frozen" do
<"1.8.1"> expected but was
<"1.8.2">

diff:
? 1.8.1
?     2
===============================================================================

Finished in 0.153963718 seconds.
-------------------------------------------------------------------------------
36 tests, 310 assertions, 1 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
97.2222% passed
-------------------------------------------------------------------------------
233.82 tests/s, 2013.46 assertions/s
ERROR: Test "ruby2.7" failed. Exiting.
dh_auto_install: error: dh_ruby --install /<<PKGBUILDDIR>>/debian/ruby-pathname2 returned exit code 1
make: *** [debian/rules:18: binary-indep] Error 25