fix(Modal): fix missing consts, due to merge conflicts

Author: YossiSaadi

packages/core/src/tests/constants.ts

@@ -105,6 +105,8 @@ export enum ComponentDefaultTestId {
   MODAL_FOOTER_BUTTONS = "modal-footer-buttons",
   MODAL_NEXT = "modal",
   MODAL_NEXT_OVERLAY = "modal-overlay",
+  MODAL_NEXT_HEADER = "modal-header",
+  MODAL_NEXT_CONTENT = "modal-content",
   FORMATTED_NUMBER = "formatted-number",
   HIDDEN_TEXT = "hidden-text",
   DIALOG_CONTENT_CONTAINER = "dialog-content-container",