Upgrade AWS SDK to the latest version

vendor/github.com/aws/aws-sdk-go/service/polly/customizations_test.go

@@ -1,22 +1,27 @@
 package polly
 
 import (
+	"regexp"
 	"testing"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/awstesting/unit"
-
-	"github.com/stretchr/testify/assert"
 )
 
 func TestRestGETStrategy(t *testing.T) {
 	svc := New(unit.Session, &aws.Config{Region: aws.String("us-west-2")})
 	r, _ := svc.SynthesizeSpeechRequest(nil)
-	err := restGETPresignStrategy(r)
-	assert.NoError(t, err)
-	assert.Equal(t, "GET", r.HTTPRequest.Method)
-	assert.NotEqual(t, nil, r.Operation.BeforePresignFn)
+
+	if err := restGETPresignStrategy(r); err != nil {
+		t.Error(err)
+	}
+	if "GET" != r.HTTPRequest.Method {
+		t.Errorf("Expected 'GET', but received %s", r.HTTPRequest.Method)
+	}
+	if r.Operation.BeforePresignFn == nil {
+		t.Error("Expected non-nil value for 'BeforePresignFn'")
+	}
 }
 
 func TestPresign(t *testing.T) {
@@ -27,6 +32,12 @@ func TestPresign(t *testing.T) {
 		VoiceId:      aws.String("Foo"),
 	})
 	url, err := r.Presign(time.Second)
-	assert.NoError(t, err)
-	assert.Regexp(t, `^https://polly.us-west-2.amazonaws.com/v1/speech\?.*?OutputFormat=mp3.*?Text=Moo.*?VoiceId=Foo.*`, url)
+
+	if err != nil {
+		t.Error(err)
+	}
+	expectedURL := `^https://polly.us-west-2.amazonaws.com/v1/speech\?.*?OutputFormat=mp3.*?Text=Moo.*?VoiceId=Foo.*`
+	if matched, err := regexp.MatchString(expectedURL, url); !matched || err != nil {
+		t.Errorf("Expected:\n%q\nReceived:\n%q\nError:\n%v\n", expectedURL, url, err)
+	}
 }