Replace godep with dep

vendor/github.com/zakjan/cert-chain-resolver/certUtil/chain_test.go

@@ -0,0 +1,33 @@
+package certUtil
+
+import (
+	"crypto/x509"
+    "testing"
+	"os"
+	"io/ioutil"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFetchCertificateChain(t *testing.T) {
+	file, err := os.Open("../tests/comodo.der.crt")
+	if err != nil {
+		t.Error(err)
+	}
+
+	data, err := ioutil.ReadAll(file)
+	if err != nil {
+		t.Error(err)
+	}
+
+	cert, err := x509.ParseCertificate(data)
+	if err != nil {
+		t.Error(err)
+	}
+
+	certs, err := FetchCertificateChain(cert)
+	if err != nil {
+		t.Error(err)
+	}
+
+	assert.Equal(t, 3, len(certs))
+}

vendor/github.com/zakjan/cert-chain-resolver/certUtil/io_test.go

@@ -0,0 +1,11 @@
+package certUtil
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestIsPEM(t *testing.T) {
+	assert.True(t, IsPEM([]byte("-----BEGIN CERTIFICATE-----\n-----END CERTIFICATE-----")))
+	assert.False(t, IsPEM([]byte("xxx")))
+}