Android java.lang.IllegalStateException:无法初始化插件：interface org.mockito.plugins.MockMaker（可选：null）

我正在做一些单元测试。但是当我想运行单元测试时，它给了我这样的错误

“java.lang.IllegalStateException:无法初始化插件：interface org.mockito.plugins.MockMaker（可选：null）”

我做错了什么

这是我的格拉德尔。我想知道我是否在其中添加了错误的依赖项，请帮助我：'（

这是我的单元测试代码

package com.example.androidjetpacksubmission1.ui.detail

import androidx.lifecycle.Observer
import com.example.androidjetpacksubmission1.data.entity.TvShowEntity
import com.example.androidjetpacksubmission1.data.repository.RemoteRepository
import com.example.androidjetpacksubmission1.network.Network
import com.example.androidjetpacksubmission1.network.NetworkListener
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.Mockito.mock
import org.mockito.Mockito.verify


class DetailTvShowViewModelTest : NetworkListener {
    override fun onSuccess(msg: String) {
    }

    override fun onFailure(msg: String?) {
    }

    @get:Rule
    var executorRule = androidx.arch.core.executor.testing.InstantTaskExecutorRule()
    private lateinit var detailTvShowViewModel: DetailTvShowViewModel
    private lateinit var remoteRepository: RemoteRepository
    private lateinit var observer: Observer<*>
    private val tvShowTitleExample = "Jumanji: The Next Level"

    @Before
    fun setup(){
        observer = mock(Observer::class.java)
        remoteRepository = RemoteRepository(Network.routes())
        detailTvShowViewModel = DetailTvShowViewModel(remoteRepository,tvShowTitleExample)
        detailTvShowViewModel.networkListener = this
    }

    @Test
    fun getDetailMovie() {
        detailTvShowViewModel.getDetailTvShow().observeForever(observer as Observer<in TvShowEntity>)

        detailTvShowViewModel.fetchDetailTvShow()

        verify(observer).onChanged()
    }
}

private fun <T> Observer<T>.onChanged() {

}

package com.example.androidjetpacksubmission1.ui.detail
导入androidx.lifecycle.Observer
导入com.example.androidjetpacksubmission1.data.entity.TvShowEntity
导入com.example.androidjetpacksubmission1.data.repository.RemoteRepository
导入com.example.androidJetPackageSubmission1.network.network
导入com.example.androidJetPackageSubmission1.network.NetworkListener
导入org.junit.Before
导入org.junit.Rule
导入org.junit.Test
导入org.junit.runner.RunWith
导入org.mockito.mockito.mock
导入org.mockito.mockito.verify
类DetailTvShowViewModelTest:NetworkListener{
成功时覆盖乐趣（消息：字符串）{
}
覆盖失败（消息：字符串？）{
}
@获取：规则
var executorRule=androidx.arch.core.executor.testing.InstantTaskExecutorRule（）
私有lateinit变量detailTvShowViewModel:detailTvShowViewModel
私有lateinit var remoteRepository:remoteRepository
私有lateinit var观察者：观察者
private val tvShowTitleExample=“朱曼吉：下一级”
@以前
趣味设置（）{
observer=mock（observer:：class.java）
remoteRepository=remoteRepository（Network.routes（））
detailTvShowViewModel=detailTvShowViewModel（远程存储库，tvShowTitleExample）
detailTvShowViewModel.networkListener=此
}
@试验
有趣的电影{
detailTvShowViewModel.getDetailTvShow（）.ObserveForver（观察者作为观察者）
detailTvShowViewModel.fetchDetailTvShow（）
验证（观察者）.onChanged（）
}
}
private fun Observer.onChanged（）{
}

我遇到了同样的问题，它似乎与InstantTaskExecutorRule有关，但我还没有弄明白……我遇到了同样的问题，它似乎与InstantTaskExecutorRule有关，但我还没有弄明白。。。

package com.example.androidjetpacksubmission1.ui.detail

import androidx.lifecycle.Observer
import com.example.androidjetpacksubmission1.data.entity.TvShowEntity
import com.example.androidjetpacksubmission1.data.repository.RemoteRepository
import com.example.androidjetpacksubmission1.network.Network
import com.example.androidjetpacksubmission1.network.NetworkListener
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.Mockito.mock
import org.mockito.Mockito.verify


class DetailTvShowViewModelTest : NetworkListener {
    override fun onSuccess(msg: String) {
    }

    override fun onFailure(msg: String?) {
    }

    @get:Rule
    var executorRule = androidx.arch.core.executor.testing.InstantTaskExecutorRule()
    private lateinit var detailTvShowViewModel: DetailTvShowViewModel
    private lateinit var remoteRepository: RemoteRepository
    private lateinit var observer: Observer<*>
    private val tvShowTitleExample = "Jumanji: The Next Level"

    @Before
    fun setup(){
        observer = mock(Observer::class.java)
        remoteRepository = RemoteRepository(Network.routes())
        detailTvShowViewModel = DetailTvShowViewModel(remoteRepository,tvShowTitleExample)
        detailTvShowViewModel.networkListener = this
    }

    @Test
    fun getDetailMovie() {
        detailTvShowViewModel.getDetailTvShow().observeForever(observer as Observer<in TvShowEntity>)

        detailTvShowViewModel.fetchDetailTvShow()

        verify(observer).onChanged()
    }
}

private fun <T> Observer<T>.onChanged() {

}