})
			})

			Context("when no env vars are specified", func() {
				It("passes a nil slice to the BBS", func() {
					Expect(fakeBBS.DesireTaskCallCount()).To(Equal(1))
					_, task := fakeBBS.DesireTaskArgsForCall(0)
					Expect(task.EnvironmentVariables).To(BeNil())
				})
			})
		})

		Context("when the BBS responds with an error", func() {
			BeforeEach(func() {
				fakeBBS.DesireTaskReturns(errors.New("ka-boom"))
				handler.Create(responseRecorder, newTestRequest(validCreateRequest))
			})

			It("calls DesireTask on the BBS with the correct task", func() {
				Expect(fakeBBS.DesireTaskCallCount()).To(Equal(1))
				_, task := fakeBBS.DesireTaskArgsForCall(0)
				Expect(task.TaskGuid).To(Equal("task-guid-1"))
			})

			It("responds with 500 INTERNAL ERROR", func() {
				Expect(responseRecorder.Code).To(Equal(http.StatusInternalServerError))
			})

			It("responds with a relevant error message", func() {
				expectedBody, _ := json.Marshal(receptor.Error{