Open an entry of the top menu of the store. A sub-entry is written as a path ("Gear > Bags"): the parent is hovered, the panel opens, the entry is clicked.
Examples
When I open the "Gear > Bags" store menu item
When I open the "Sale" store menu item
And I open the "Women > Tops" store menu item
When we open the "Gear > Watches" store menu item
When I open the "What's New" store menu item
Pattern
When(/^(I |we )*open the "([^"]*)" store menu item$/, …)
Part of @webship-js/magento-steps (github.com/webship/magento-steps), a step pack for Webship-js 2.0.x.