BeforeEach(func() {
			var err error
			request, err = http.NewRequest("", "http://example.com?:task_guid=the-task-guid", nil)
			Expect(err).NotTo(HaveOccurred())

			resolvingErr = nil
		})

		JustBeforeEach(func() {
			fakeClient.ResolvingTaskReturns(resolvingErr)
			handler.Delete(responseRecorder, request)
		})

		It("succeeds", func() {
			Expect(fakeClient.ResolvingTaskCallCount()).To(Equal(1))
			Expect(fakeClient.ResolvingTaskArgsForCall(0)).To(Equal("the-task-guid"))
			Expect(fakeClient.ResolveTaskCallCount()).To(Equal(1))
			Expect(fakeClient.ResolveTaskArgsForCall(0)).To(Equal("the-task-guid"))

			Expect(responseRecorder.Code).To(Equal(http.StatusOK))
		})

		Context("when marking the task as resolving fails", func() {
			Context("with invalid transition", func() {
				BeforeEach(func() {
					resolvingErr = models.NewTaskTransitionError(models.Task_Running, models.Task_Pending)
				})

				It("fails with a 409", func() {
					Expect(fakeClient.ResolvingTaskCallCount()).To(Equal(1))
					Expect(fakeClient.ResolvingTaskArgsForCall(0)).To(Equal("the-task-guid"))