Removing public from CourseRepositoryTest

application/module-language-school/src/test/java/org/fuseri/modulelanguageschool/course/CourseRepositoryTest.java

@@ -13,7 +13,7 @@ import java.util.HashSet;
 import java.util.List;
 
 @DataJpaTest
-public class CourseRepositoryTest {
+class CourseRepositoryTest {
 
     @Autowired
     private TestEntityManager entityManager;