return checkBinDir(t, tempCNIBinDir, "add", "istio-cni")
	}, retry.Delay(time.Millisecond*10), retry.Timeout(time.Second*5))

	compareConfResult(resultFile, expectedOutputFile, t)

	// Test script restart by removing configuration
	if chainedCNIPlugin {
		rmCNIConfig(resultFile, t)
	} else if err := os.Remove(resultFile); err != nil {
		t.Fatalf("error removing CNI config file: %s", resultFile)
	}

		if len(cfg.CNIConfName) > 0 || !cfg.ChainedCNIPlugin {
			// Install was run with overridden CNI config file so don't error out on preempt check
			// Likely the only use for this is testing the script
			installLog.Warnf("CNI config file %s preempted by %s", cniConfigFilepath, defaultCNIConfigFilepath)
		} else {
			return fmt.Errorf("CNI config file %s preempted by %s", cniConfigFilepath, defaultCNIConfigFilepath)
		}