chore: fix test

Author: AtsushiM

packages/smarthr-ui/src/components/Dialog/ModelessDialog.test.tsx

@@ -13,12 +13,7 @@ describe('ModelessDialog', () => {
     return (
       <>
         <Button onClick={() => setIsOpen(true)}>ModelessDialog</Button>
-        <ModelessDialog
-          isOpen={isOpen}
-          // eslint-disable-next-line smarthr/a11y-heading-in-sectioning-content
-          header={<Heading tag="h2">座標指定表示</Heading>}
-          onClickClose={() => setIsOpen(false)}
-        >
+        <ModelessDialog isOpen={isOpen} title="座標指定表示" onClickClose={() => setIsOpen(false)}>
           <p>ダイアログの中身</p>
         </ModelessDialog>
       </>

packages/smarthr-ui/src/components/Dialog/ModelessDialog.tsx

@@ -387,11 +387,10 @@ export const ModelessDialog: FC<
           ref={wrapperRef}
           role="dialog"
           aria-labelledby={labelId}
-          className={classNames.wrapper}
         >
           {/* dummy element for focus management. */}
           <div tabIndex={-1} ref={focusTargetRef} />
-          <Section>
+          <Section className={classNames.wrapper}>
             <div className={classNames.header}>
               <Handler
                 aria-label={decorated.dialogHandlerAriaLabel}