TEST_F(SQLiteUtilTests, test_sqlite_instance_manager) {
  auto dbc1 = SQLiteDBManager::get();
  auto dbc2 = SQLiteDBManager::get();
  EXPECT_NE(dbc1->db(), dbc2->db());
  EXPECT_EQ(dbc1->db(), dbc1->db());
}
TEST_F(SQLiteUtilTests, test_sqlite_instance_manager) {
  auto dbc1 = SQLiteDBManager::get();
  auto dbc2 = SQLiteDBManager::get();
  EXPECT_NE(dbc1->db(), dbc2->db());
  EXPECT_EQ(dbc1->db(), dbc1->db());
}