[general] Add database test

src/test/java/icu/samnyan/aqua/util/CardHelper.java

@@ -0,0 +1,17 @@
+package icu.samnyan.aqua.util;
+
+import icu.samnyan.aqua.sega.general.model.Card;
+
+import java.time.LocalDateTime;
+
+/**
+ * @author sam_nya (privateamusement@protonmail.com)
+ */
+public class CardHelper {
+
+    public static Card getCard() {
+        var now = LocalDateTime.now();
+        return new Card(1L, 114514L, "01145141919810000000", now, now);
+    }
+
+}