The test added in 107a0c6 contains a test that uses `*h to merge two string hashes. This does not work under Ruby 2.6 and earlier, making it impossible to test v0.1.0.2 on any Ruby 2.6-compatible implementation.
Error: test_cgi_cookie_new_with_domain(CGICookieTest): TypeError: hash key "name" is not a Symbol
/home/enebo/work/gems/cgi/test/cgi/test_cgi_cookie.rb:65:in `test_cgi_cookie_new_with_domain'
62:
63: def test_cgi_cookie_new_with_domain
64: h = {'name'=>'name1', 'value'=>'value1'}
=> 65: cookie = CGI::Cookie.new('domain'=>'a.example.com', **h)
66: assert_equal('a.example.com', cookie.domain)
67:
68: cookie = CGI::Cookie.new('domain'=>'1.example.com', **h)