Use image lists in client tests

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

integration/container_volume_test.go

@@ -23,6 +23,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/containerd/containerd/integration/images"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
@@ -99,7 +100,7 @@ func TestContainerSymlinkVolumes(t *testing.T) {
 			)
 
 			var (
-				testImage          = GetImage(BusyBox)
+				testImage          = images.Get(images.BusyBox)
 				containerName      = "test-container"
 				containerMountPath = "/mounted_file"
 			)