Add an element to a relation field (assets, entries, categories, users) through its selection modal: open it, select the item by its title and confirm.
Examples
When I add "Harbour" to the "Hero image" field
When I add "About" to the "Related pages" field
When I add "Engineering" to the "Topics" field
When we add "Contact" to the "Related pages" field
And I add "Meadow" to the "Hero image" field
Pattern
When(/^(I |we )*add "([^"]*)" to the "([^"]*)" field$/, …)
Part of @webship-js/craft-cms-steps (github.com/webship/craft-cms-steps), a step pack for Webship-js 2.0.x.