Fix the element not interactable error for blog-article.feature

[drupal-spider]

There is Behat error said: '--- FAIL --- And I fill in the following: # (features/content_types/blog-article.feature):31 | Title | New blog | | Summary | How we migrated to govCMS! | element not interactable (Session info: chrome=74.0.3729.169) (Driver info: chromedriver=74.0.3729.6 (255758eccf3d244491b8a1317aa76e1ce10d57e9-refs/branch-heads/3729@{#29}),platform=Linux 4.10.0-35-generic x86_64)'

Similar errors occur with following test script:

• features/content_types/blog-article.feature
• features/content_types/event.feature
• features/content_types/media-release.feature
• features/content_types/news-article.feature
• features/content_types/publication.feature
• features/content_types/standard-page.feature