fix: fix broken build

For some reason a PR we merged passed the build even though it was
missing various func parameters. This commmit fixes it.

Signed-off-by: Milos Gajdos <milosthegajdos@gmail.com>

registry/storage/driver/gcs/gcs_test.go

@@ -94,7 +94,7 @@ func init() {
 			maxConcurrency: 8,
 		}
 
-		return New(parameters)
+		return New(context.Background(), parameters)
 	}
 
 	testsuites.RegisterSuite(func() (storagedriver.StorageDriver, error) {

registry/storage/driver/middleware/cloudfront/s3filter_test.go

@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"context"
 	"crypto/rand"
 	"encoding/json"
 	"fmt"

registry/storage/driver/middleware/redirect/middleware.go

@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"context"
 	"fmt"
 	"net/http"
 	"net/url"

registry/storage/driver/middleware/redirect/middleware_test.go

@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"context"
 	"testing"
 
 	"gopkg.in/check.v1"

registry/storage/driver/s3-aws/s3_test.go

@@ -2,6 +2,7 @@ package s3
 
 import (
 	"bytes"
+	"context"
 	"crypto/rand"
 	"errors"
 	"fmt"