작은 context가 condition branch를 반복 가능하게 실행한다
FilteredClassLoader와 property, user configuration을 바꿔 bean count와 report reason을 함께 검증한다.
- 1. Arrange classpath
class present·absent
- 2. Set property
missing·false·true
- 3. Add user bean
owner identity
- 4. Assert outcome
count·reason·failure