def METHOD_NAME(self):
    # Arrange
    credential_manager = ProQuestCredentialManager()
    patron = self._patron()
    expected_token = "12345"
    # Act
    credential_manager.save_proquest_token(
        self._db, patron, datetime.timedelta(hours=1), expected_token
    )
    token = Credential.lookup_by_patron(
        self._db,
        self._data_source.name,
        ProQuestCredentialType.PROQUEST_JWT_TOKEN.value,
        patron,
    )
    # Assert
    assert expected_token == token.credential