def METHOD_NAME(self) -> None:
    tensorA = torch.tensor([1, 0], dtype=torch.float)
    expected_unk_tensor = torch.tensor([0, 0], dtype=torch.float)
    tokens = ["a"]
    vecs = tensorA.unsqueeze(0)
    vectors_obj = build_vectors(tokens, vecs)
    self.assertEqual(vectors_obj["not_in_it"], expected_unk_tensor)