diff --git a/test/test_database.cpp b/test/test_database.cpp
index e4052c4..1493a10 100644
--- a/test/test_database.cpp
+++ b/test/test_database.cpp
@@ -17,23 +17,28 @@ BOOST_AUTO_TEST_CASE(store_seller_fail)
 {
     Database db(":memory:");
     db.init();
-    std::vector<Seller> sellers;
-    sellers.push_back({});
-    sellers.push_back({});
+    std::vector<std::shared_ptr<Seller>> sellers;
+    sellers.push_back(std::make_shared<Seller>());
+    sellers.push_back(std::make_shared<Seller>());
     BOOST_CHECK_THROW(db.storeSellers(sellers), std::runtime_error);
 }
 BOOST_AUTO_TEST_CASE(store_sellers_succ)
 {
     Database db(":memory:");
     db.init();
-    std::vector<Seller> sellers;
-    Seller a{};
-    a.createUuid();
-    a.setSellerNo(1);
-    Seller b{};
-    b.createUuid();
-    b.setSellerNo(2);
-    BOOST_TEST(a.getUuid() != b.getUuid());
+    std::vector<std::shared_ptr<Seller>> sellers;
+    auto a = std::make_shared<Seller>();
+    a->createUuid();
+    a->setSellerNo(1);
+    auto b = std::make_shared<Seller>("Max", "Mustermann");
+    b->createUuid();
+    b->setSellerNo(2);
+    auto c = std::make_shared<Article>();
+    c->createUuid();
+    c->setPrice(500);
+    c->setDescription("Test");
+    b->addArticle(c);
+    BOOST_TEST(a->getUuid() != b->getUuid());
     sellers.push_back(a);
     sellers.push_back(b);
     BOOST_CHECK_NO_THROW(db.storeSellers(sellers));
@@ -43,14 +48,14 @@ BOOST_AUTO_TEST_CASE(seller_states)
 {
     Database db(":memory:");
     db.init();
-    std::vector<Seller> sellers;
-    Seller a;
-    a.setSellerNo(3);
-    a.createUuid();
+    std::vector<std::shared_ptr<Seller>> sellers;
+    auto a = std::make_shared<Seller>();
+    a->setSellerNo(3);
+    a->createUuid();
     sellers.push_back(a);
     std::cout << "Anzahl sellers: " << sellers.size() << "\n";
-    BOOST_TEST((sellers.at(0).getState() == Entity::State::NEW));
+    BOOST_TEST((sellers.at(0)->getState() == Entity::State::NEW));
     BOOST_TEST(db.storeSellers(sellers) == 1);
-    BOOST_TEST((sellers.at(0).getState() == Entity::State::OK));
+    BOOST_TEST((sellers.at(0)->getState() == Entity::State::OK));
     BOOST_TEST(db.storeSellers(sellers) == 0);
 }
\ No newline at end of file