Add ConfigurableParameterTest, which applies each parameter to a real UPP DER template and reads it back, comparing results against a stored expected-output snapshot (xo/test_configurable_parameters).
Add TestValidateVal covering validate_val() for Iccid, Imsi, Pin1, Puk1 and K, testing both valid inputs and invalid ones expected to raise ValueError.
Add TestEnumParam covering the EnumParam methods (validate_val, map_name_to_val, map_val_to_name, name_normalize, clean_name_str) using AlgorithmID as the concrete subclass, including fuzzy name matching.
Also add get_value_from_pes() to ConfigurableParameter as a convenience wrapper around get_values_from_pes() that asserts all returned values are identical and returns the single result.
