update test selector

Author: JarrodMFlesch

test/lexical/collections/Lexical/e2e/main/e2e.spec.ts

@@ -1552,7 +1552,7 @@ describe('lexicalMain', () => {
     await closeTagInMultiSelect.click()
     await expect(decoratorLocator).toBeHidden()
 
-    const labelInsideCollapsableBody = page.locator('label').getByText('Sub Blocks')
+    const labelInsideCollapsableBody = page.locator('h3>span').getByText('Sub Blocks')
     await labelInsideCollapsableBody.click()
     await expectInsideSelectedDecorator(labelInsideCollapsableBody)