dsl/interaction.go
func (i *Interaction) UponReceiving(description string) *Interaction {
	i.Description = description

	return i
}
func (i *Interaction) UponReceiving(description string) *Interaction {
	i.Description = description

	return i
}
// UponReceiving specifies the name of the test case. This becomes the name of
// the consumer/provider pair in the Pact file. Mandatory.