Remove argument "cs clientset.Interface" from testFlexVolume

cs is not used any more after previous change removed cs arg
from TectVolumeClient. Functions down the call path
get cs value from framework parameter.

Author: okartau

test/e2e/storage/flexvolume.go

@@ -49,7 +49,7 @@ const (
 
 // testFlexVolume tests that a client pod using a given flexvolume driver
 // successfully mounts it and runs
-func testFlexVolume(driver string, cs clientset.Interface, config volume.TestConfig, f *framework.Framework) {
+func testFlexVolume(driver string, config volume.TestConfig, f *framework.Framework) {
 	tests := []volume.Test{
 		{
 			Volume: v1.VolumeSource{
@@ -190,7 +190,7 @@ var _ = utils.SIGDescribe("Flexvolumes", func() {
 		ginkgo.By(fmt.Sprintf("installing flexvolume %s on node %s as %s", path.Join(driverDir, driver), node.Name, driverInstallAs))
 		installFlex(cs, node, "k8s", driverInstallAs, path.Join(driverDir, driver))
 
-		testFlexVolume(driverInstallAs, cs, config, f)
+		testFlexVolume(driverInstallAs, config, f)
 
 		ginkgo.By("waiting for flex client pod to terminate")
 		if err := f.WaitForPodTerminated(config.Prefix+"-client", ""); !apierrs.IsNotFound(err) {
@@ -210,7 +210,7 @@ var _ = utils.SIGDescribe("Flexvolumes", func() {
 		ginkgo.By(fmt.Sprintf("installing flexvolume %s on master as %s", path.Join(driverDir, driver), driverInstallAs))
 		installFlex(cs, nil, "k8s", driverInstallAs, path.Join(driverDir, driver))
 
-		testFlexVolume(driverInstallAs, cs, config, f)
+		testFlexVolume(driverInstallAs, config, f)
 
 		ginkgo.By("waiting for flex client pod to terminate")
 		if err := f.WaitForPodTerminated(config.Prefix+"-client", ""); !apierrs.IsNotFound(err) {