e2e: redeployvm use deterministic suffix for uptime pod name

test/e2e/adminapi_redeployvm.go

@@ -18,7 +18,6 @@ import (
 	mgmtcompute "github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2020-06-01/compute"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	utilrand "k8s.io/apimachinery/pkg/util/rand"
 
 	"github.com/Azure/ARO-RP/pkg/util/ready"
 	"github.com/Azure/ARO-RP/pkg/util/stringutils"
@@ -82,7 +81,7 @@ var _ = Describe("[Admin API] VM redeploy action", func() {
 func getNodeUptime(g Gomega, ctx context.Context, node string) (time.Time, error) {
 	// container kernel = node kernel = `uptime` in a Pod reflects the Node as well
 	namespace := "default"
-	name := fmt.Sprintf("%s-uptime-%s", node, utilrand.String(5))
+	name := fmt.Sprintf("%s-uptime-%d", node, GinkgoParallelProcess())
 	pod := &corev1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      name,