Assert the current page was (or was not) rendered by Astro, via its generator meta tag. Both the markup-flavoured phrasing ("the Astro generator meta tag") and the site-flavoured one ("generated by Astro") are one step.
Examples
Then I should see the Astro generator meta tag
Then we should not see the Astro generator meta tag
And the page should be generated by Astro
But the page should not be generated by Astro
Then should see the Astro generator meta tag
Pattern
Then(/^(?:(?:I |we )*should( not)* see the Astro generator meta tag|(?:the )?page should( not)* be generated by Astro)$/, …)
Part of @webship-js/astro-steps (github.com/webship/astro-steps), a step pack for Webship-js 2.0.x.