def METHOD_NAME(self):
    """
    BB2-237: Test the hash_hicn(hicn) function for empty string produces exception instead of assert
    """
    # Test non-empty value first
    hash_hicn("1234567890A")
    # Test empty value
    with self.assertRaisesRegexp(
        BBFhirBluebuttonModelException, "HICN cannot be the empty string.*"
    ):
        hash_hicn("")