IPRange: "10.244.4.0/24",
				}, iaas.NewWardenConfig())
				Expect(err).NotTo(HaveOccurred())
			})

			It("sets the correct values for instances and static_ips given a count", func() {
				var err error
				job := findJob(manifest, "etcd_z1")
				network := manifest.Networks[0]

				Expect(job.Instances).To(Equal(1))
				Expect(job.Networks[0].StaticIPs).To(HaveLen(1))
				Expect(job.Networks[0].Name).To(Equal(network.Name))
				Expect(job.Networks[0].StaticIPs).To(Equal([]string{"10.244.4.4"}))

				manifest, err = manifest.SetJobInstanceCount("etcd_z1", 3)
				Expect(err).NotTo(HaveOccurred())

				job = findJob(manifest, "etcd_z1")

				Expect(job.Instances).To(Equal(3))
				Expect(job.Networks[0].StaticIPs).To(HaveLen(3))
				Expect(job.Networks[0].Name).To(Equal(network.Name))
				Expect(job.Networks[0].StaticIPs).To(Equal([]string{"10.244.4.4", "10.244.4.5", "10.244.4.6"}))
			})

			It("sets the correct values given a count of zero", func() {
				var err error
				manifest, err = manifest.SetJobInstanceCount("etcd_z1", 0)
				Expect(err).NotTo(HaveOccurred())