Unityでのエラーについてです。もう同じメッセージが出ないようにしたいです。

Library/PackageCache/com.unity.test-framework@1.1.16/UnityEditor.TestRunner/TestRun/Tasks/PrebuildSetupTask.cs(9,40): error CS0246: The type or namespace name 'BuildActionTaskBase<>' could not be found (are you missing a using directive or an assembly reference?)
Library/PackageCache/com.unity.test-framework@1.1.16/UnityEditor.TestRunner/TestRun/Tasks/PrebuildSetupTask.cs(15,33): error CS0115: 'PrebuildSetupTask.Action(IPrebuildSetup)': no suitable method found to override

using System;
using System.Collections;
using NUnit.Framework.Interfaces;
using UnityEngine;
using UnityEngine.TestTools;

namespace UnityEditor.TestTools.TestRunner.TestRun.Tasks
{
    internal class PrebuildSetupTask : BuildActionTaskBase<IPrebuildSetup>
    {
        public PrebuildSetupTask() : base(new PrebuildSetupAttributeFinder())
        {
        }

        protected override void Action(IPrebuildSetup target)
        {
            target.Setup();
        }
    }
}