chore: update code format. (#628)

rest/engine_test.go

@@ -154,8 +154,7 @@ Verbose: true
 	}
 }
 
-type mockedRouter struct {
-}
+type mockedRouter struct{}
 
 func (m mockedRouter) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
 }

rest/handler/sheddinghandler_test.go

@@ -94,8 +94,7 @@ func (s mockShedder) Allow() (load.Promise, error) {
 	return nil, load.ErrServiceOverloaded
 }
 
-type mockPromise struct {
-}
+type mockPromise struct{}
 
 func (p mockPromise) Pass() {
 }