Working download photo method

Signed-off-by: Kris Nóva <kris@nivenly.com>

test/photo_test.go

@@ -57,3 +57,21 @@ func TestSadUpdatePhoto(t *testing.T) {
 	t.Errorf("expecting failure updaitng bad photo id: %s", photo.UUID)
 	t.FailNow()
 }
+
+func TestHappyGetPhotoDownload(t *testing.T) {
+	_, err := Client.V1().GetPhotoDownload(WellKnownPhotoID)
+	if err != nil {
+		t.Errorf("expected success getting well known photo: %v", err)
+		t.FailNow()
+	}
+}
+
+func TestSadGetPhotoDownload(t *testing.T) {
+	file, err := Client.V1().GetPhotoDownload("1234567890")
+	if err != nil {
+		t.Logf("success returning error for unknown photo: %v", err)
+		return
+	}
+	t.Errorf("expected error for unknown file: %s", file.FileName)
+	t.FailNow()
+}