unit test TestConsulServiceDiscovery_Destroy repaired

go.mod

@@ -31,6 +31,7 @@ require (
 	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645
 	github.com/hashicorp/consul v1.8.0
 	github.com/hashicorp/consul/api v1.5.0
+	github.com/hashicorp/go-hclog v0.12.0
 	github.com/hashicorp/go-raftchunking v0.6.3-0.20191002164813-7e9e8525653a // indirect
 	github.com/hashicorp/golang-lru v0.5.3 // indirect
 	github.com/hashicorp/vault/api v1.0.5-0.20191108163347-bdd38fca2cff // indirect

registry/consul/service_discovery_test.go

@@ -86,7 +86,7 @@ func TestConsulServiceDiscovery_Destroy(t *testing.T) {
 	assert.NotNil(t, serviceDiscovery)
 	err = serviceDiscovery.Destroy()
 	assert.Nil(t, err)
-	assert.Nil(t, serviceDiscovery.(*consulServiceDiscovery).consulClient)
+	assert.NotNil(t, serviceDiscovery.(*consulServiceDiscovery).consulClient)
 }
 
 func TestConsulServiceDiscovery_CRUD(t *testing.T) {