fix: delete pacticipant labels before deleting pacticipant

Author: bethesque

lib/pact_broker/pacticipants/service.rb

@@ -86,6 +86,7 @@ def self.delete name
         connection.run("delete from pact_versions where consumer_id = #{pacticipant.id}")
         connection.run("delete from versions where pacticipant_id = #{pacticipant.id}")
         version_repository.delete_by_id version_ids
+        label_repository.delete_by_pacticipant_id(pacticipant.id)
         connection.run("delete from pacticipants where id = #{pacticipant.id}")
       end
 

spec/lib/pact_broker/pacticipants/service_spec.rb

@@ -116,6 +116,7 @@ module Pacticipants
         before do
           TestDataBuilder.new
             .create_consumer("Consumer")
+            .create_label("finance")
             .create_consumer_version("2.3.4")
             .create_provider("Provider")
             .create_pact