file.txt

class BuyProductStory extends spock.lang.Story {
	
	@Shared product
	
	def "buy product"() {
		when:
		to ProductsPage
		buy(this.product)
		then:
		at CartPage
	}
}

@Stepwise
class ASpecThatBuysAProduct extends Specification {
	
	// some feature methods
	
	def "buy the product"() {
		story:
		BuyProductStory, product: Product.get(2)
	}
	
	// some other feature methods
}