Seems the reporting of keysize is not consistent across different Ope…

…nSSL versions. Also the spec seems only specified the key length of public key, no mention of private key size

test/openssl/test_pkey.rb

@@ -270,21 +270,14 @@ def test_keysize_in_bits
     end
 
     # Test vector from RFC 8032 Section 7.1 TEST 2
-    priv_pem = <<~EOF
-    -----BEGIN PRIVATE KEY-----
-    MC4CAQAwBQYDK2VwBCIEIEzNCJso/5banbbDRuwRTg9bijGfNaumJNqM9u1PuKb7
-    -----END PRIVATE KEY-----
-    EOF
     pub_pem = <<~EOF
     -----BEGIN PUBLIC KEY-----
     MCowBQYDK2VwAyEAPUAXw+hDiVqStwqnTRt+vJyYLM8uxJaMwM1V8Sr0Zgw=
     -----END PUBLIC KEY-----
     EOF
     begin
-      priv = OpenSSL::PKey.read(priv_pem)
+
       pub = OpenSSL::PKey.read(pub_pem)
-
-      assert_equal 256, priv.keysize_in_bits
       assert_equal 256, pub.keysize_in_bits
 
     rescue OpenSSL::PKey::PKeyError => e