SeriesServiceImpl: use NOPLogger for unit tests to reduce output to console.

No functional changes.

Author: php-coder

src/main/java/ru/mystamps/web/config/ServicesConfig.java

@@ -129,6 +129,7 @@ public ReportService getReportService() {
 	@Bean
 	public SeriesService getSeriesService() {
 		return new SeriesServiceImpl(
+			LoggerFactory.getLogger(SeriesServiceImpl.class),
 			daoConfig.getSeriesDao(),
 			getImageService(),
 			getMichelCatalogService(),

src/main/java/ru/mystamps/web/service/SeriesServiceImpl.java

@@ -25,7 +25,6 @@
 import org.apache.commons.lang3.Validate;
 
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import org.springframework.transaction.annotation.Transactional;
 
@@ -53,8 +52,8 @@
 @SuppressWarnings({ "PMD.TooManyMethods", "PMD.AvoidDuplicateLiterals" })
 @RequiredArgsConstructor
 public class SeriesServiceImpl implements SeriesService {
-	private static final Logger LOG = LoggerFactory.getLogger(SeriesServiceImpl.class);
 
+	private final Logger log;
 	private final SeriesDao seriesDao;
 	private final ImageService imageService;
 	private final StampsCatalogService michelCatalogService;
@@ -162,7 +161,7 @@ public Integer add(AddSeriesDto dto, Integer userId, boolean userCanAddComments)
 			throw ex;
 		}
 
-		LOG.info("Series #{} has been created ({})", id, series);
+		log.info("Series #{} has been created ({})", id, series);
 
 		return id;
 	}
@@ -188,7 +187,7 @@ public void addImageToSeries(AddImageDto dto, Integer seriesId, Integer userId)
 			throw ex;
 		}
 
-		LOG.info(
+		log.info(
 			"Image #{} has been added to series #{} by user #{}",
 			imageId,
 			seriesId,

src/test/groovy/ru/mystamps/web/service/SeriesServiceImplTest.groovy

@@ -22,6 +22,8 @@ import org.springframework.web.multipart.MultipartFile
 import spock.lang.Specification
 import spock.lang.Unroll
 
+import org.slf4j.helpers.NOPLogger
+
 import ru.mystamps.web.dao.SeriesDao
 import ru.mystamps.web.dao.dto.AddSeriesDbDto
 import ru.mystamps.web.dao.dto.Currency
@@ -66,6 +68,7 @@ class SeriesServiceImplTest extends Specification {
 		imageService.save(_) >> TestObjects.createImageInfoDto()
 
 		service = new SeriesServiceImpl(
+			NOPLogger.NOP_LOGGER,
 			seriesDao,
 			imageService,
 			michelCatalogService,