Update csi-test to digitalocean/csi-test@master

This change updates csi-test to digitalocean/csi-test@master. We use our
own fork which sits on top of upstream master and comes with the
following customizations:

- The 'should fail when the volume is missing' test is disabled because
  it does not work for us right now. See [1] for details and our effort
  to improve upstream.
- It adds yet unreleased tests for our change in [2] (specifically,
  [3]).

Going forward, we plan to return to using the upstream, released test
package.

[1]: kubernetes-csi/csi-test#258
[2]: #299
[3]: kubernetes-csi/csi-test@b91f254

driver/driver_test.go

@@ -29,7 +29,7 @@ import (
 	"time"
 
 	"github.com/digitalocean/godo"
-	"github.com/kubernetes-csi/csi-test/pkg/sanity"
+	"github.com/kubernetes-csi/csi-test/v3/pkg/sanity"
 	"github.com/sirupsen/logrus"
 	"golang.org/x/sync/errgroup"
 )
@@ -94,11 +94,8 @@ func TestDriverSuite(t *testing.T) {
 		return driver.Run(ctx)
 	})
 
-	cfg := &sanity.Config{
-		TargetPath:  os.TempDir() + "/csi-target",
-		StagingPath: os.TempDir() + "/csi-staging",
-		Address:     endpoint,
-	}
+	cfg := sanity.NewTestConfig()
+	cfg.Address = endpoint
 	sanity.Test(t, cfg)
 
 	cancel()

go.mod

@@ -7,19 +7,19 @@ require (
 	github.com/digitalocean/godo v1.29.0
 	github.com/docker/docker v1.13.1
 	github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff // indirect
-	github.com/golang/protobuf v1.3.1
+	github.com/golang/protobuf v1.3.2
 	github.com/google/go-cmp v0.3.0
 	github.com/googleapis/gnostic v0.2.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/kubernetes-csi/csi-test v2.2.0+incompatible
+	github.com/kubernetes-csi/csi-test/v3 v3.1.1-0.20200422103951-b91f2543e6e7
 	github.com/kubernetes-csi/external-snapshotter v0.4.1
 	github.com/magiconair/properties v1.8.1
-	github.com/sirupsen/logrus v1.2.0
+	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/testify v1.4.0 // indirect
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
-	golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f
-	google.golang.org/grpc v1.23.0
+	golang.org/x/sys v0.0.0-20191113165036-4c7a9d0fe056
+	google.golang.org/grpc v1.25.1
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	k8s.io/api v0.0.0
 	k8s.io/apimachinery v0.0.0
@@ -56,3 +56,5 @@ replace (
 )
 
 go 1.14
+
+replace github.com/kubernetes-csi/csi-test/v3 => github.com/digitalocean/csi-test/v3 v3.1.1-0.20200422215505-20e87c55f1f6