JustBeforeEach(func() {
				err := session.AcquireLock("a-key", []byte("a-value"))
				Expect(err).NotTo(HaveOccurred())

				Eventually(func() []*api.SessionEntry {
					entries, _, err := client.Session().List(nil)
					Expect(err).NotTo(HaveOccurred())
					return entries
				}).Should(HaveLen(1))

				session.Destroy()
			})

			It("destroys the session", func() {
				Expect(sessionMgr.DestroyCallCount()).To(Equal(1))
				id, _ := sessionMgr.DestroyArgsForCall(0)
				Expect(id).To(Equal(session.ID()))
			})

			It("removes the session", func() {
				Eventually(func() *api.SessionEntry {
					entries, _, err := client.Session().List(nil)
					Expect(err).NotTo(HaveOccurred())
					return findSession(session.ID(), entries)
				}).Should(BeNil())
			})

			It("sends a nil error", func() {
				Eventually(session.Err()).Should(Receive(BeNil()))
			})