Ensure point and wire outputs works properly

[adrianarce-elemwave]

New output module implements unitary tests but need further developemnt on end to end cases

[Alberto-o]

There are already several cases with wire probes. If the compilation with the new flag provides a complete alternative way to the former observartion, the same tests can be used.

As for point probes, I think there are no tests checking the value of the fields