diff --git a/activitystreams/attachment_test.go b/activitystreams/attachment_test.go
index e0d3b4d..76a524b 100644
--- a/activitystreams/attachment_test.go
+++ b/activitystreams/attachment_test.go
@@ -1,64 +1,64 @@
 package activitystreams
 
 import (
 	"reflect"
 	"testing"
 )
 
 func TestNewImageAttachment(t *testing.T) {
 	type args struct {
 		url string
 	}
 	tests := []struct {
 		name string
 		args args
-		want *Attachment
+		want Attachment
 	}{
-		{name: "good svg", args: args{"https://writefreely.org/img/writefreely.svg"}, want: &Attachment{
+		{name: "good svg", args: args{"https://writefreely.org/img/writefreely.svg"}, want: Attachment{
 			Type:      "Image",
 			URL:       "https://writefreely.org/img/writefreely.svg",
 			MediaType: "image/svg+xml",
 		}},
-		{name: "good png", args: args{"https://i.snap.as/12345678.png"}, want: &Attachment{
+		{name: "good png", args: args{"https://i.snap.as/12345678.png"}, want: Attachment{
 			Type:      "Image",
 			URL:       "https://i.snap.as/12345678.png",
 			MediaType: "image/png",
 		}},
-		{name: "no extension", args: args{"https://i.snap.as/12345678"}, want: &Attachment{
+		{name: "no extension", args: args{"https://i.snap.as/12345678"}, want: Attachment{
 			Type:      "Image",
 			URL:       "https://i.snap.as/12345678",
 			MediaType: "",
 		}},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			if got := NewImageAttachment(tt.args.url); !reflect.DeepEqual(got, tt.want) {
 				t.Errorf("NewImageAttachment() = %v, want %v", got, tt.want)
 			}
 		})
 	}
 }
 
 func TestNewDocumentAttachment(t *testing.T) {
 	type args struct {
 		url string
 	}
 	tests := []struct {
 		name string
 		args args
 		want Attachment
 	}{
 		{name: "mp3", args: args{"https://listen.as/matt/abc.mp3"}, want: Attachment{
 			Type:      "Document",
 			URL:       "https://listen.as/matt/abc.mp3",
 			MediaType: "audio/mpeg",
 		}},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			if got := NewDocumentAttachment(tt.args.url); !reflect.DeepEqual(got, tt.want) {
 				t.Errorf("NewDocumentAttachment() = %+v, want %+v", got, tt.want)
 			}
 		})
 	}
 }