> Could not create task ':app:Test.main()'. > SourceSet with name 'main' not found.
1.修改.idea/gradle.xml
<GradleProjectSettings>
<option name="delegatedBuild" value="false" />
...
</GradleProjectSettings>
通过jvm执行Java类的main方法，而不是通过gradle当做task执行
2.修改 gradle.properties
android.enableAapt2=false
Android Asset Packaging Tool，是编译和打包资源的工具，禁用掉。不需要
