pin testify dep

Author: James Lees

.travis.yml

@@ -10,12 +10,8 @@ go:
   - 1.11
   - 1.12
   - tip
-install:
-  - go get github.com/stretchr/testify/assert
-  - go get github.com/axw/gocov/gocov
+before_script:
   - go get github.com/mattn/goveralls
-  - go get golang.org/x/crypto/nacl/secretbox
-  - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
-  - $HOME/gopath/bin/goveralls -service=travis-ci -repotoken=$COVERALLS_TOKEN
+  - PATH=$PATH:$HOME/gopath/bin goveralls -service=travis-ci -repotoken=$COVERALLS_TOKEN
 script:
   - go test

channel_authentication_test.go

@@ -3,7 +3,7 @@ package pusher
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func setUpAuthClient() Client {

client_test.go

@@ -10,7 +10,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func TestTriggerSuccessCase(t *testing.T) {

crypto_test.go

@@ -4,7 +4,7 @@ import (
 	"encoding/hex"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func TestHmacSignature(t *testing.T) {

request_url_test.go

@@ -3,7 +3,7 @@ package pusher
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func TestTriggerRequestUrl(t *testing.T) {

response_parsing_test.go

@@ -3,7 +3,7 @@ package pusher
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func TestParsingChannelsList(t *testing.T) {

util_test.go

@@ -3,7 +3,7 @@ package pusher
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func TestParseAuthRequestParamsNoSock(t *testing.T) {

webhook_test.go

@@ -4,7 +4,7 @@ import (
 	"net/http"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"gopkg.in/stretchr/testify.v1/assert"
 )
 
 func setUpClient() Client {