Open a tab of the form on the page ("Publishing", "Options", "Images and Links", "Permissions").
Examples
When I open the "Publishing" tab
When I open the "Options" tab
When we open the "Images and Links" tab
And I open the "Permissions" tab
When open the "Publishing" tab
Pattern
When(/^(I |we )*open the "([^"]*)?" tab$/, …)
Part of @webship-js/joomla-steps (github.com/webship/joomla-steps), a step pack for Webship-js 2.0.x.