Update images used in tests

Signed-off-by: Waldemar Quevedo <wally@synadia.com>

test/e2e/lame_duck_mode_test.go

@@ -42,10 +42,8 @@ func TestLameDuckModeWhenScalingDown(t *testing.T) {
 	var (
 		initialSize = 3
 		finalSize   = 1
-		// TODO Replace with an adequate stable tag once there is one.
-		version = "5d86964"
-		// TODO Remove once the "nats" image has an adequate stable tag.
-		serverImage = "natsop2018/gnatsd"
+		serverImage = "synadia/nats-server"
+		version     = "2.0.0"
 	)
 
 	var (

test/e2e/super_cluster_test.go

@@ -32,15 +32,13 @@ import (
 func TestCreateServerWithGateways(t *testing.T) {
 	var (
 		size    = 1
-		image   = "synadia/nats-server"
-		version = "edge-v2.0.0-RC12"
+		version = "2.0.0"
 		nc      *natsv1alpha2.NatsCluster
 		err     error
 	)
 	nc, err = f.CreateCluster(f.Namespace, "", size, version,
 		func(cluster *natsv1alpha2.NatsCluster) {
 			cluster.Name = "test-nats-gw"
-			cluster.Spec.ServerImage = image
 
 			cluster.Spec.ServerConfig = &natsv1alpha2.ServerConfig{
 				Debug: true,
@@ -138,7 +136,7 @@ func TestCreateServerWithGatewayAndLeafnodes(t *testing.T) {
 	var (
 		size    = 1
 		image   = "synadia/nats-server"
-		version = "edge-v2.0.0-RC12"
+		version = "2.0.0"
 		nc      *natsv1alpha2.NatsCluster
 		err     error
 

test/e2e/tls_test.go

@@ -144,8 +144,7 @@ func TestCreateClusterWithVerifyAndMap(t *testing.T) {
 		// The NatsCluster resource must be called "nats" in
 		// order for the pre-provisioned certificates to work.
 		natsCluster.Name = "nats-verify"
-		natsCluster.Spec.ServerImage = "wallyqs/nats-server"
-		natsCluster.Spec.Version = "edge-2.0.0-RC5"
+		natsCluster.Spec.Version = "2.0.0"
 
 		// Enable TLS using pre-provisioned certificates.
 		natsCluster.Spec.TLS = &natsv1alpha2.TLSConfig{