[#604] Add MFADelete tests with reworked mfa.Storage implementation

Signed-off-by: Alex Vanin <a.vanin@yadro.com>
Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>

api/handler/delete.go

@@ -100,7 +100,7 @@ func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
 
 		validate := totp.Validate(token, device.Key.Secret())
 		if !validate {
-			h.logAndSendError(ctx, w, "could not validate token", reqInfo, fmt.Errorf("mfa Authentication must be used for this request"))
+			h.logAndSendError(ctx, w, "could not validate token", reqInfo, errors.GetAPIError(errors.ErrMFAAuthNeeded))
 			return
 		}
 	}
@@ -222,7 +222,7 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
 
 		validate := totp.Validate(token, device.Key.Secret())
 		if !validate {
-			h.logAndSendError(ctx, w, "could not validate token", reqInfo, fmt.Errorf("mfa Authentication must be used for this request"))
+			h.logAndSendError(ctx, w, "could not validate token", reqInfo, errors.GetAPIError(errors.ErrMFAAuthNeeded))
 			return
 		}
 	}