Assert how many rows the grid shows on the current page.
Examples
Then the grid should have 20 rows
Then the grid should have 1 row
And the grid should have 50 rows
Then the grid should have 0 rows
Then the grid should have 19 rows
Pattern
Then(/^the grid should have (\d+) rows?$/, …)
Part of @webship-js/magento-steps (github.com/webship/magento-steps), a step pack for Webship-js 2.0.x.