When I fill in the shipping address:

Fill the shipping address of the checkout from a table of label and value. The labels are those of the form: First Name, Last Name, Company, Street Address, Country, State/Province, City, Zip/Postal Code, Phone Number. The shipping methods reload when the address changes: the step waits for them.

Examples

When I fill in the shipping address:
And I fill in the shipping address:
When we fill in the shipping address:
When fill in the shipping address:
And we fill in the shipping address:

Pattern

When(/^(I |we )*fill in the shipping address:$/, …)

Part of @webship-js/magento-steps (github.com/webship/magento-steps), a step pack for Webship-js 2.0.x.