TestGemSecuritySigner#test_sign: Correct the expectation for new cert.

Author: jackorp

test/rubygems/test_gem_security_signer.rb

@@ -120,12 +120,12 @@ def test_sign
     signature = signer.sign "hello"
 
     expected = <<-EXPECTED
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-6xLp2rxLG4K2//ip4aCH5Sh7hnia+F5u6iuLBETPlklPrmw5dnuKZxolz+vM
-0O1aOZsQHcVzQoESTGjkms3KZk+gn3lg0sSBbAV5/LyDYoHCEjxlcA5D+Olb
-rDmRyBMOnMS+q489OZ5Hr6B2YJJ3QbUwIZNhUeNmOxIBEYTrrKkZ92qkxbRN
-qhlqFP4jR6zXFeyBCOr0KpTiWBNuxBFXDsxmhGyt2BOIjD6qmKn7RSIfYg/U
-toqvglr0kdbknSRRjBVLK6tsgr07aLT9gNP7mTW2PA==
+FmrCYxEXW3dgYYNMxPdS16VrdXT+d5nyXTVlRm64ZHSgMxMAaPtQJsVYv73m
+DWHTzNnLhhINSpgBMLh5a4atM52yxVdkPUTgqIH+LeIPBXn8xaP5JLmfDcmI
+tBpc/9DhS3v9iKCX40igAArFu7Gg3swbgQ61SP+U22LvG5nDQZQz3sudtsw3
+qKPykFVaYjrRwzvBdSdJ1PwlAsanSwcwS/GKPtmE/ykZ6X5XOx7wvCDL/zGy
+B8khkB8hDKC6moCzebmUxCBmTmXD0Wjzon+bf4MOriVE3a0ySGRvpr1mKR2+
+9EaVo7pDJLEM487+xg1CAZHRhwshd6II00XEzG/jBQ==
     EXPECTED
 
     assert_equal expected, [signature].pack("m")