minor fixes

src/demo/PersistenceAdapterTestConfiguration.java

@@ -4,8 +4,8 @@ import org.springframework.boot.SpringBootConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.context.annotation.Import;
 
-//@SpringBootConfiguration
-//@EnableAutoConfiguration
-//@Import(PersistenceAdapterConfiguration.class)
+@SpringBootConfiguration
+@EnableAutoConfiguration
+@Import(PersistenceAdapterConfiguration.class)
 public class PersistenceAdapterTestConfiguration {
 }

src/main/java/io/reflectoring/reviewapp/adapter/persistence/BookPersistenceAdapter.java

@@ -5,7 +5,6 @@ import io.reflectoring.reviewapp.application.port.out.PersistBookPort;
 import io.reflectoring.reviewapp.common.PersistenceAdapter;
 import io.reflectoring.reviewapp.domain.Book;
 import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Component;
 
 import java.util.Optional;