Update to latest SDK and fix tests (#13)

Signed-off-by: Andrey Sobolev <[email protected]>

go.mod

@@ -5,22 +5,23 @@ go 1.13
 require (
 	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/antonfisher/nested-logrus-formatter v1.1.0
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/networkservicemesh/api v0.0.0-20200719005259-ed500e834d1e
-	github.com/networkservicemesh/sdk v0.0.0-20200722154259-f97b0e820278
+	github.com/networkservicemesh/api v0.0.0-20200804023023-3a49928a16bf
+	github.com/networkservicemesh/sdk v0.0.0-20200810190729-0d41343aaefe
 	github.com/open-policy-agent/opa v0.22.0 // indirect
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
 	github.com/sirupsen/logrus v1.6.0
-	github.com/spiffe/go-spiffe/v2 v2.0.0-alpha.4.0.20200528145730-dc11d0c74e85
+	github.com/spiffe/go-spiffe/v2 v2.0.0-alpha.5
 	github.com/stretchr/testify v1.6.1
 	github.com/uber/jaeger-client-go v2.25.0+incompatible // indirect
-	golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 // indirect
+	golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de // indirect
 	golang.org/x/net v0.0.0-20200707034311-ab3426394381 // indirect
-	golang.org/x/sys v0.0.0-20200720211630-cb9d2d5c5666 // indirect
+	golang.org/x/sys v0.0.0-20200810151505-1b9f1253b3ed // indirect
 	golang.org/x/text v0.3.3 // indirect
-	google.golang.org/genproto v0.0.0-20200722002428-88e341933a54 // indirect
-	google.golang.org/grpc v1.30.0
+	google.golang.org/genproto v0.0.0-20200808173500-a06252235341 // indirect
+	google.golang.org/grpc v1.31.0
 	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/square/go-jose.v2 v2.5.1 // indirect
 	gopkg.in/yaml.v2 v2.3.0 // indirect