TEST: Deleted copy constructor?

test/test_entity.cpp

@@ -132,6 +132,7 @@ TEST(test_entity, test_copy_to) {
   entity.CopyTo(proto_copy);
   auto copied = Entity(proto_copy);
 
+  auto foo = copied.GetProperties().at(0);
   EXPECT_EQ(entity.GetRole(), copied.GetRole());
   EXPECT_EQ(entity.GetName(), copied.GetName());
   EXPECT_EQ(copied.GetParents().at(0).GetId(), parent.GetId());