Inline some variables

There is no point in `Type a = …; return a;`

airsonic-main/src/test/java/org/airsonic/player/TestCaseUtils.java

@@ -79,11 +79,9 @@ public class TestCaseUtils {
                     "from information_schema.system_tables " +
                     "where table_name not like 'SYSTEM%'"
             , String.class);
-    Map<String, Integer> nbRecords =
-            tableNames.stream()
-                    .collect(Collectors.toMap(table -> table, table -> recordsInTable(table,daoHelper)));
 
-    return nbRecords;
+      return tableNames.stream()
+              .collect(Collectors.toMap(table -> table, table -> recordsInTable(table,daoHelper)));
   }
 
   /**

airsonic-main/src/test/java/org/airsonic/player/dao/MusicFolderTestData.java

@@ -12,8 +12,7 @@ public class MusicFolderTestData {
   private static String baseResources = "/MEDIAS/";
 
   public static String resolveBaseMediaPath() {
-    String baseDir = MusicFolderTestData.class.getResource(baseResources).toString().replace("file:","");
-    return baseDir;
+    return MusicFolderTestData.class.getResource(baseResources).toString().replace("file:","");
   }
 
   public static String resolveMusicFolderPath() {