all: use t.Skip{,f}

src/pkg/crypto/x509/verify_test.go

 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 package x509
 
 import (
         "crypto/x509/pkix"
         "encoding/pem"
         "errors"
@@ skipping 17 matching lines @@
         expectedChains [][]string
 }
 
 var verifyTests = []verifyTest{
         {
                 leaf:                 googleLeaf,
                 intermediates:        []string{thawteIntermediate},
                 currentTime:          1302726541,
                 dnsName:              "www.google.com",
                 testSystemRootsError: true,
-                systemSkip:           true,
 
                 // Without any roots specified we should get a system roots
                 // error.
                 errorCallback: expectSystemRootsError,
         },
         {
                 leaf:          googleLeaf,
                 intermediates: []string{thawteIntermediate},
                 roots:         []string{verisignRoot},
                 currentTime:   1302726541,
@@ skipping 156 matching lines @@
         block, _ := pem.Decode([]byte(pemBytes))
         if block == nil {
                 return nil, errors.New("failed to decode PEM")
         }
         return ParseCertificate(block.Bytes)
 }
 
 func testVerify(t *testing.T, useSystemRoots bool) {
         for i, test := range verifyTests {
                 if useSystemRoots && test.systemSkip {
+                        continue
+                }
+                if runtime.GOOS == "windows" && test.testSystemRootsError {
                         continue
                 }
 
                 opts := VerifyOptions{
                         Intermediates: NewCertPool(),
                         DNSName:       test.dnsName,
                         CurrentTime:   time.Unix(test.currentTime, 0),
                         KeyUsages:     test.keyUsages,
                 }
 
@@ skipping 329 matching lines @@
 MD4wPAYEVR0gADA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWdu
 LmNvbS9yZXBvc2l0b3J5LzAzBgNVHR8ELDAqMCigJqAkhiJodHRwOi8vY3JsLmds
 b2JhbHNpZ24ubmV0L3Jvb3QuY3JsMB8GA1UdIwQYMBaAFGB7ZhpFDZfKiVAvfQTN
 NKj//P1LMA0GCSqGSIb3DQEBBQUAA4IBAQBDc3nMpMxJMQMcYUCB3+C73UpvwDE8
 eCOr7t2F/uaQKKcyqqstqLZc6vPwI/rcE9oDHugY5QEjQzIBIEaTnN6P0vege2IX
 eCOr7t2F/uaQKKcyqqstqLZc6vPwI/rcE9oDHugY5QEjQzIBIEaTnN6P0vege2IX
 YEvTWbWwGdPytDFPYIl3/6OqNSXSnZ7DxPcdLJq2uyiga8PB/TTIIHYkdM2+1DE0
 7y3rH/7TjwDVD7SLu5/SdOfKskuMPTjOEvz3K161mymW06klVhubCIWOro/Gx1Q2
 2FQOZ7/2k4uYoOdBTSlb8kTAuzZNgIE0rB2BIYCTz/P6zZIKW0ogbRSH
 -----END CERTIFICATE-----`