test/test_key.rb in zold-0.15.0 vs test/test_key.rb in zold-0.16.0

@@ -54,12 +54,12 @@
 
   def test_signs_and_verifies_with_random_key
     Dir.mktmpdir do |dir|
       key = OpenSSL::PKey::RSA.new(2048)
       file = File.join(dir, 'temp')
-      File.write(file, key.public_key.to_s)
+      IO.write(file, key.public_key.to_s)
       pub = Zold::Key.new(file: file)
-      File.write(file, key.to_s)
+      IO.write(file, key.to_s)
       pvt = Zold::Key.new(file: file)
       text = 'How are you doing, dude?'
       signature = pvt.sign(text)
       assert(pub.verify(signature, text))
     end