code refactor

Reviewed-on: #26

crates/application/tests/watchlist.rs

@@ -0,0 +1,12 @@
+mod support;
+
+#[path = "watchlist/add_test.rs"]
+mod add_test;
+#[path = "watchlist/get_test.rs"]
+mod get_test;
+#[path = "watchlist/get_watchlist_for_owner_test.rs"]
+mod get_watchlist_for_owner_test;
+#[path = "watchlist/is_on_test.rs"]
+mod is_on_test;
+#[path = "watchlist/remove_test.rs"]
+mod remove_test;