Refactor how net/data/verify_certificate_chain_unittest/*

net/data/verify_certificate_chain_unittest/serverauth-ec-ku-keyencipherment/chain.pem

-[Created by: generate-serverauth-ec-ku-keyencipherment.py]
+[Created by: generate-chains.py]
 
 Certificate chain with 1 intermediate, a trusted root, and a target
 certificate for serverAuth that has only keyEncipherment.
 
 Certificate:
     Data:
         Version: 3 (0x2)
         Serial Number: 1 (0x1)
     Signature Algorithm: sha256WithRSAEncryption
         Issuer: CN=Intermediate
@@ skipping 215 matching lines @@
          51:2a:a9:a5:d9:ab:02:78:62:fa:78:1a:1f:22:cb:80:5c:5e:
          79:81:fa:82:38:30:ba:eb:d3:a8:90:f4:47:aa:09:a8:c5:f8:
          20:58:fe:4d:82:47:2f:41:e6:7b:44:6b:5d:ee:ca:f9:2d:48:
          1f:76:e2:db:f0:3e:4d:de:85:d2:63:a3:e6:61:db:28:69:75:
          74:61:a0:ee:c3:e8:6f:c4:ce:a3:31:3c:48:9d:34:84:fe:83:
          7e:7d:be:2f:ca:bd:f8:f2:39:1c:0e:b2:3c:c2:4a:f2:3f:fe:
          63:2c:53:7b:1e:e7:64:e0:97:05:46:64:60:a0:35:54:5f:44:
          31:9a:a2:b7:72:7d:4a:90:90:9c:dd:d0:cd:89:b5:90:32:b2:
          2d:e2:4f:3c:b4:ae:46:00:96:72:6f:8e:bc:d3:59:e5:08:57:
          b9:3f:f6:b2
------BEGIN TRUST_ANCHOR_UNCONSTRAINED-----
+-----BEGIN CERTIFICATE-----
 MIIDZTCCAk2gAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDDARSb290
 MB4XDTE1MDEwMTEyMDAwMFoXDTE2MDEwMTEyMDAwMFowDzENMAsGA1UEAwwEUm9v
 dDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANYpeIJjomFhU3KBDOYW
 TFTZ/19PMKOfsuFi7JDhgDuVxBeV6jeWp2yQTawILuRS13/j61RLMpWM/d7wW43r
 GqOKvkmhiuacS7Jr9w2KP4j5AssHZPEvw6iOBqbnvOkgDXOjlQWl5lt+B7NB4Q4l
 Qbo57Ik6HJaLnU24lKqzL5GrIYXeie75ThiIQWmTq4doT3cvrDPzaGc2PPOFhH93
 HXosiqbyTl9Smws1jPZGYWg7Oi4mitMkFDFv+ENi0ltEGJ1Hx1eztdqzfbApSDvl
 J0xS+h8zJjQLXKhrpQLrlqjxyWe0Dp0SbhxEV8+/da1eVNIYE+ruRU2UO1h9IJ3S
 QIUCAwEAAaOByzCByDAdBgNVHQ4EFgQUx9C4t9evHx2xcrVjtCoaG28GBEIwHwYD
 VR0jBBgwFoAUx9C4t9evHx2xcrVjtCoaG28GBEIwNwYIKwYBBQUHAQEEKzApMCcG
 CCsGAQUFBzAChhtodHRwOi8vdXJsLWZvci1haWEvUm9vdC5jZXIwLAYDVR0fBCUw
 IzAhoB+gHYYbaHR0cDovL3VybC1mb3ItY3JsL1Jvb3QuY3JsMA4GA1UdDwEB/wQE
 AwIBBjAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQB+vsJWpPZ0
 wWqXEQRrilDCdEvgAW2/csJuTBTBFe+SX0RNI5msiMLJQJWCfbFADU6WLhs/XSIj
 DpLnVsAzIfPiOUGwOcYnKR9yrFhzCrITu4Nqb9lLCHGVByhRKqml2asCeGL6eBof
 IsuAXF55gfqCODC669OokPRHqgmoxfggWP5NgkcvQeZ7RGtd7sr5LUgfduLb8D5N
 3oXSY6PmYdsoaXV0YaDuw+hvxM6jMTxInTSE/oN+fb4vyr348jkcDrI8wkryP/5j
 LFN7Hudk4JcFRmRgoDVUX0QxmqK3cn1KkJCc3dDNibWQMrIt4k88tK5GAJZyb468
 01nlCFe5P/ay
------END TRUST_ANCHOR_UNCONSTRAINED-----
-
-150302120000Z
------BEGIN TIME-----
-MTUwMzAyMTIwMDAwWg==
------END TIME-----
-
-SUCCESS
------BEGIN VERIFY_RESULT-----
-U1VDQ0VTUw==
------END VERIFY_RESULT-----
-
-serverAuth
------BEGIN KEY_PURPOSE-----
-c2VydmVyQXV0aA==
------END KEY_PURPOSE-----
+-----END CERTIFICATE-----