use table metas where possible

test/backends/TypeTraitsTest.cpp

@@ -22,18 +22,12 @@ class TypeTraitsTestFixture : public QueryFixture
 public:
   TypeTraitsTestFixture() {
     REQUIRE(db.open());
-    const auto obj = matador::object::object_generator::generate<location>(repo.repo(), "location");
-    const auto res = query::create()
-      .table(obj->name())
-      .columns(obj->attributes())
-      .constraints(obj->constraints())
-      .execute(db);
-    tables_to_drop.emplace("location");
+    REQUIRE(repo.attach<location>("location"));
   }
 };
 
 TEST_CASE_METHOD(TypeTraitsTestFixture, "Special handling of attributes with type traits", "[typetraits]") {
-  REQUIRE(repo.attach<location>("location"));
+  REQUIRE(repo.create(db));
   SECTION("Insert and select with direct execution") {
     location loc{1, "center", {1, 2, 3}, Color::Black};