fix(specs): add a linter to assert that type is present (generated)

algolia/api-clients-automation#4393

Co-authored-by: algolia-bot <accounts+algolia-api-client-bot@algolia.com>
Co-authored-by: Pierre Millot <pierre.millot@algolia.com>

packages/client-abtesting/model/listABTestsResponse.ts

@@ -4,7 +4,7 @@ import type { ABTest } from './aBTest';
 
 export type ListABTestsResponse = {
   /**
-   * A/B tests.
+   * The list of A/B tests, null if no A/B tests are configured for this application.
    */
   abtests: Array<ABTest> | null;