autopkgtest fails in bionic

[Balint Reczey]

https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/r/ruby-mysql2/20200921_121828_864d7@/log.gz

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Pending: (Failures listed here are expected and do not affect your suite's status)

  1) Mysql2::Client should terminate connections when calling close
     # Temporarily skipped with xit
     # ./spec/mysql2/client_spec.rb:168

  2) Mysql2::Statement close should free server resources
     # Temporarily skipped with xit
     # ./spec/mysql2/statement_spec.rb:765

Failures:

  1) Mysql2::Client should be able to connect via SSL options
     Failure/Error:
       expect {
         # rubocop:disable Style/TrailingComma
         ssl_client = new_client(
           'host' => 'mysql2gem.example.com', # must match the certificates
           :sslkey => '/etc/mysql/client-key.pem',
           :sslcert => '/etc/mysql/client-cert.pem',
           :sslca => '/etc/mysql/ca-cert.pem',
           :sslcipher => 'DHE-RSA-AES256-SHA',
           :sslverify => true
         )

       expected no Exception, got #<Mysql2::Error: Unknown MySQL server host 'mysql2gem.example.com' (95)> with backtrace:
         # ./spec/spec_helper.rb:27:in `new'
         # ./spec/spec_helper.rb:27:in `new_client'
         # ./spec/mysql2/client_spec.rb:140:in `block (3 levels) in <top (required)>'
         # ./spec/mysql2/client_spec.rb:138:in `block (2 levels) in <top (required)>'
     # ./spec/mysql2/client_spec.rb:138:in `block (2 levels) in <top (required)>'

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311 examples, 1 failure, 2 pending
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