Merge branch 'reenable_tests' into 'master'

Reenable tests with a workaround

See merge request !1

debian/ruby-tests.rake.disabled → debian/ruby-tests.rake

@@ -7,6 +7,11 @@ TABLET_FILE        = 'lib/mobile-fu/tablet.rb'
 
 task :default => [:test]
 
+# Rails backtrace cleaner breaks minitest warning code added in 5.12.0, because
+# it doesn't check for the case where backtrace cleaning completely leaves an
+# empty backtrace. Force no backtrace cleaning to workaround that.
+ENV["BACKTRACE"] = "true"
+
 Rake::TestTask.new do |t|
   t.libs.push 'lib'
   t.test_files = FileList['spec/*_spec.rb', 'spec/mobile-fu/*_spec.rb']