ziptz.gemspec in ziptz-3.0.15 vs ziptz.gemspec in ziptz-3.0.16

@@ -12,10 +12,9 @@
   s.license = 'MIT'
 
   s.rdoc_options = ['--charset=UTF-8']
   s.extra_rdoc_files = ['README.md', 'LICENSE']
   s.files = Dir['README.md', 'LICENSE', '{data,lib,spec}/**/*', 'ziptz.gemspec']
-  s.test_files = Dir.glob('spec/**/*_spec.rb')
   s.require_paths = ['lib']
   s.required_ruby_version = '>= 2.0.0'
   s.metadata['rubygems_mfa_required'] = 'true'
 end