Update sanity tests lib to 2.0

go.mod

@@ -47,7 +47,7 @@ require (
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/json-iterator/go v1.1.5 // indirect
-	github.com/kubernetes-csi/csi-test v1.1.0
+	github.com/kubernetes-csi/csi-test v2.0.0+incompatible
 	github.com/kubernetes-csi/external-snapshotter v1.0.1
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
@@ -72,10 +72,12 @@ require (
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
 	go.uber.org/zap v1.9.1 // indirect
-	golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9 // indirect
+	golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 // indirect
+	golang.org/x/net v0.0.0-20190509222800-a4d6f7feada5 // indirect
 	golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890 // indirect
-	golang.org/x/sync v0.0.0-20181108010431-42b317875d0f // indirect
-	golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a // indirect
+	golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
+	golang.org/x/sys v0.0.0-20190509141414-a5b02f93d862 // indirect
+	golang.org/x/text v0.3.2 // indirect
 	golang.org/x/time v0.0.0-20181108054448-85acf8d2951c // indirect
 	google.golang.org/appengine v1.3.0 // indirect
 	google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898 // indirect