尝试
androidTestImplementation 'com.android.support:support-annotations:23.1.0'androidTestImplementation 'com.android.support.test:runner:0.4.1'androidTestImplementation 'com.android.support.test:rules:0.4.1'
添加以下上面的依赖项部分
configurations.all { resolutionStrategy.force 'com.android.support:support-annotations:23.1.0'}
