refractor: downloader task action dispatch (#249)

pkg/rest/server_test.go

@@ -204,19 +204,16 @@ func TestPauseAllAndContinueALLTasks(t *testing.T) {
 
 		// continue all
 		httpRequestCheckOk[any](http.MethodPut, "/api/v1/tasks/continue", nil)
-		time.Sleep(time.Millisecond * 100)
 		tasks := httpRequestCheckOk[[]*download.Task](http.MethodGet, fmt.Sprintf("/api/v1/tasks?status=%s", base.DownloadStatusRunning), nil)
 		if len(tasks) != cfg.MaxRunning {
 			t.Errorf("ContinueAllTasks() got = %v, want %v", len(tasks), cfg.MaxRunning)
 		}
 		// pause all
 		httpRequestCheckOk[any](http.MethodPut, "/api/v1/tasks/pause", nil)
-		time.Sleep(time.Millisecond * 500)
 		tasks = httpRequestCheckOk[[]*download.Task](http.MethodGet, fmt.Sprintf("/api/v1/tasks?status=%s", base.DownloadStatusPause), nil)
 		if len(tasks) != total {
 			t.Errorf("PauseAllTasks() got = %v, want %v", len(tasks), total)
 		}
-
 	})
 }