chore: add datatestid to errorMsg label updateGroupName

ts/components/dialog/UpdateGroupNameDialog.tsx

@@ -168,6 +168,7 @@ export function UpdateGroupNameDialog(props: { conversationId: string }) {
             animate={{ opacity: errorDisplayed ? 1 : 0 }}
             transition={{ duration: THEME_GLOBALS['--duration-modal-error-shown'] }}
             style={{ marginTop: errorDisplayed ? '0' : '-5px' }}
+            data-testid="error-message"
           >
             {errorMsg}
           </StyledErrorMessage>

ts/react.d.ts

@@ -244,6 +244,7 @@ declare module 'react' {
     | 'copy-msg-from-details'
     | 'modal-heading'
     | 'modal-description'
+    | 'error-message'
     // modules profile name
     | 'module-conversation__user__profile-name'
     | 'module-message-search-result__header__name__profile-name'