Remove code smell

Signed-off-by: Flurb <[email protected]>

Author: Flurb

validator/src/test/java/org/lfenergy/compas/scl/validator/xsd/SclXsdValidatorTest.java

@@ -13,7 +13,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
-public class SclXsdValidatorTest {
+class SclXsdValidatorTest {
 
     private SclXsdValidator validator;