test(web): query notion loading by status

Remove the redundant Notion loading test id and assert the existing named status exposed by the shared Loading component. Keep the rendered layout and loading behavior unchanged.

web/app/components/base/notion-page-selector/__tests__/base.spec.tsx

@@ -121,7 +121,7 @@ describe('NotionPageSelector Base', () => {
 
     render(<NotionPageSelector credentialList={mockCredentialList} onSelect={vi.fn()} />)
 
-    expect(screen.getByTestId('notion-page-selector-loading')).toBeInTheDocument()
+    expect(screen.getByRole('status', { name: 'appApi.loading' })).toBeInTheDocument()
   })
 
   it('should render connector and open settings when fetch fails', async () => {
@@ -334,7 +334,7 @@ describe('NotionPageSelector Base', () => {
       isError: false,
     } as unknown as ReturnType<typeof usePreImportNotionPages>)
     render(<NotionPageSelector credentialList={mockCredentialList} onSelect={vi.fn()} />)
-    expect(screen.getByTestId('notion-page-selector-loading')).toBeInTheDocument()
+    expect(screen.getByRole('status', { name: 'appApi.loading' })).toBeInTheDocument()
   })
 
   it('should handle credential with empty id', () => {

web/app/components/base/notion-page-selector/base.tsx

@@ -194,10 +194,7 @@ const NotionPageSelector = ({
         </div>
         <div className="overflow-hidden rounded-b-xl">
           {isFetchingNotionPages ? (
-            <div
-              className="flex h-74 items-center justify-center"
-              data-testid="notion-page-selector-loading"
-            >
+            <div className="flex h-74 items-center justify-center">
               <Loading />
             </div>
           ) : (