Merge pull request kubernetes#85751 from tanjunchen/fix-staticcheck-test-e2e-auth-cloud

fix staticcheck in   test/e2e/cloud/

Author: k8s-ci-robot

test/e2e/cloud/gcp/node_lease.go

@@ -45,7 +45,7 @@ var _ = SIGDescribe("[Disruptive]NodeLease", func() {
 		systemPods, err := e2epod.GetPodsInNamespace(c, ns, map[string]string{})
 		framework.ExpectNoError(err)
 		systemPodsNo = int32(len(systemPods))
-		if strings.Index(framework.TestContext.CloudConfig.NodeInstanceGroup, ",") >= 0 {
+		if strings.Contains(framework.TestContext.CloudConfig.NodeInstanceGroup, ",") {
 			framework.Failf("Test dose not support cluster setup with more than one MIG: %s", framework.TestContext.CloudConfig.NodeInstanceGroup)
 		} else {
 			group = framework.TestContext.CloudConfig.NodeInstanceGroup

test/e2e/cloud/gcp/resize_nodes.go

@@ -54,7 +54,7 @@ var _ = SIGDescribe("Nodes [Disruptive]", func() {
 		systemPods, err := e2epod.GetPodsInNamespace(c, ns, map[string]string{})
 		framework.ExpectNoError(err)
 		systemPodsNo = int32(len(systemPods))
-		if strings.Index(framework.TestContext.CloudConfig.NodeInstanceGroup, ",") >= 0 {
+		if strings.Contains(framework.TestContext.CloudConfig.NodeInstanceGroup, ",") {
 			framework.Failf("Test dose not support cluster setup with more than one MIG: %s", framework.TestContext.CloudConfig.NodeInstanceGroup)
 		} else {
 			group = framework.TestContext.CloudConfig.NodeInstanceGroup