update to csi-test v3.0.0

v3.0.0 fixed "go mod" support by adding the /v3 suffix to import paths
(kubernetes-csi/csi-test#232). dep currently
does not support that
(golang/dep#1962 (comment)) and
can only import that with symlink workarounds in csi-test and by
disabling pruning.

Gopkg.toml

@@ -24,6 +24,10 @@
   go-tests = true
   unused-packages = true
 
+  [[prune.project]]
+    name = "github.com/kubernetes-csi/csi-test"
+    unused-packages = false
+
 [[constraint]]
   name = "github.com/container-storage-interface/spec"
   version = "1.0.0"
@@ -42,7 +46,8 @@
 
 [[constraint]]
   name = "github.com/kubernetes-csi/csi-test"
-  version = "2.1.0"
+  source = "github.com/pohly/csi-test"
+  branch = "fix-semver"
 
 # We have to select the right version by name because of the "kubernetes-" prefix, dep doesn't
 # recognize these as normal releases. Upstream is considering to change the tagging,

test/e2e/storage/sanity.go

@@ -31,8 +31,8 @@ import (
 	"time"
 
 	"github.com/container-storage-interface/spec/lib/go/csi"
-	"github.com/kubernetes-csi/csi-test/pkg/sanity"
-	sanityutils "github.com/kubernetes-csi/csi-test/utils"
+	"github.com/kubernetes-csi/csi-test/v3/pkg/sanity"
+	sanityutils "github.com/kubernetes-csi/csi-test/v3/utils"
 	"google.golang.org/grpc"
 	appsv1 "k8s.io/api/apps/v1"
 	v1 "k8s.io/api/core/v1"
@@ -43,9 +43,9 @@ import (
 	clientset "k8s.io/client-go/kubernetes"
 	clientexec "k8s.io/client-go/util/exec"
 	"k8s.io/kubernetes/test/e2e/framework"
-	testutils "k8s.io/kubernetes/test/utils"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
 	e2essh "k8s.io/kubernetes/test/e2e/framework/ssh"
+	testutils "k8s.io/kubernetes/test/utils"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
@@ -67,7 +67,7 @@ var _ = Describe("sanity", func() {
 		// and deletes all extra entries that it does not know about.
 		TargetPath:  "/var/lib/kubelet/plugins/kubernetes.io/csi/pv/pmem-sanity-target.XXXXXX",
 		StagingPath: "/var/lib/kubelet/plugins/kubernetes.io/csi/pv/pmem-sanity-staging.XXXXXX",
-		IDGen: &sanity.DefaultIDGenerator{},
+		IDGen:       &sanity.DefaultIDGenerator{},
 	}
 
 	f := framework.NewDefaultFramework("pmem")