assert page.has_link?('Tutorials and User guide'), 'No link - Tutorials and User guide'
assert page.has_link?('API Reference'), 'No link - API Reference'
assert page.has_link?('SDK Reference'), 'No link - SDK Reference'
assert page.has_link?('Tutorials and User guide'), 'No link - Tutorials and User guide'
assert page.has_link?('API Reference'), 'No link - API Reference'
assert page.has_link?('SDK Reference'), 'No link - SDK Reference'