GameSpec.groovy

class GameSpec extends Specification {

    @Shared
    RESTClient restClient = new RESTClient("http://localhost:8080/restful-gr8conf-2014")

    def "it returns a list of games in JSON"() {
        when:
        Response response = restClient.get(path: "/games", accept: ContentType.JSON)

        then:
        response.json
        response.contentType == 'application/json'
    }
}