fix: update category slugs for test

Author: lojzatran

src/integration-test/java/com/commercetools/sync/integration/ctpprojectsource/categories/CategorySyncIT.java

@@ -456,15 +456,15 @@ void syncDrafts_fromCategoriesWithoutKeys_ShouldNotUpdateCategories() {
     final CategoryDraft oldCategoryDraft1 =
         CategoryDraftBuilder.of()
             .name(LocalizedString.of(Locale.ENGLISH, "cat1"))
-            .slug(LocalizedString.of(Locale.ENGLISH, "furniture1"))
+            .slug(LocalizedString.of(Locale.ENGLISH, "furniture1-project-source"))
             .key("newKey1")
             .custom(CategoryITUtils.getCustomFieldsDraft())
             .build();
 
     final CategoryDraft oldCategoryDraft2 =
         CategoryDraftBuilder.of()
             .name(LocalizedString.of(Locale.ENGLISH, "cat2"))
-            .slug(LocalizedString.of(Locale.ENGLISH, "furniture2"))
+            .slug(LocalizedString.of(Locale.ENGLISH, "furniture2-project-source"))
             .key("newKey2")
             .custom(CategoryITUtils.getCustomFieldsDraft())
             .build();