}, retry.Delay(time.Millisecond*150))
					})
			}
		}
	}
}

// installRevisionOrFail takes an Istio version and installs a revisioned control plane running that version
// provided istio version must be present in tests/integration/pilot/testdata/upgrade for the installation to succeed
func installRevisionOrFail(t framework.TestContext, version string, configs map[string]string) {

		for _, config := range configs {
			_ = t.ConfigIstio().YAML("istio-system", config).Delete()
		}
	})

	// install control plane on the specified version and create namespace pointed to that control plane
	installRevisionOrFail(t, fromVersion, configs)
	revision := strings.ReplaceAll(fromVersion, ".", "-")
	revisionedNamespace := namespace.NewOrFail(t, t, namespace.Config{
		Prefix:   revision,
		Inject:   true,
		Revision: revision,
	})