fix typo

src/test/java/cz/muni/fi/pv168/project/db/categorytime/CategoryTimeDaoTest.java

@@ -58,7 +58,7 @@ class CategoryTimeDaoTest {
     }
 
     @AfterEach
-    void CategoryTimeDaoCleanUp() {
+    void categoryTimeDaoCleanUp() {
         categoryTimeManager.dropTable();
         categoryManager.dropTable();
         taskManager.dropTable();