[Error] Mockito cannot mock/spy because: final class

org.mockito.exceptions.base.MockitoException: 
Cannot mock/spy class com.example.study.AuthServiceTest$UserRepository
Mockito cannot mock/spy because :
 - final class

위와 같은 에러 발생.

Mockito cannot mock/spy because : - final class 

// build.gradle
dependencies {
	// ...
	testImplementation 'org.mockito:mockito-inline:2.13.0' // add
}

build.gradle에 mockito-inline을 추가.

 

참고 : How to mock a final class with mockito