testapi accepts ?uuid instead of cookie.uuid

cmd/testapi/main.go

@@ -122,13 +122,17 @@ type Session struct {
 }
 
 func (s *S) injectContext(w http.ResponseWriter, r *http.Request) error {
-	id, err := r.Cookie("uuid")
-	if err != nil || id.Value == "" {
-		return io.EOF
+	id := r.URL.Query().Get("uuid")
+	if id == "" {
+		c, err := r.Cookie("uuid")
+		if err != nil || c.Value == "" {
+			return io.EOF
+		}
+		id = c.Value
 	}
 	ctx := r.Context()
 	ctx = context.WithValue(ctx, "session", Session{
-		ID: id.Value,
+		ID: id,
 	})
 	*r = *r.WithContext(ctx)
 	return nil