Purchase merchant account when the creator has their own merchant account RSpec::ExampleGroups::Purchase::MerchantAccount::WhenTheCreatorHasTheirOwnMerchantAccount::WhenThePurchaseHasSalesTaxThatGumroadIsCollectingAndWillPayAsTheMerchant Failure/Error: let(:purchase) do create(:purchase, seller: user, link:, price_cents: link.price_cents, fee_cents: 30, purchase_state: "in_progress", merchant_account: nil, chargeable:, full_name: "Edgar Gumstein", street_address: "123 Gum Road", city: "London", zip_code: "94017", country: "United Kingdom", ip_country: "United Kingdom") end `let` is not available from within an example (e.g. an `it` block) or from constructs that run in the scope of an example (e.g. `before`, `let`, etc). It is only available on an example group (e.g. a `describe` or `context` block).