Adds tests for the network simulation
Rounds the value returned by Baseform to two decimal digits

Also, the tests are considered correct when the difference between
the result and the expected is less than a 10% after round to two
decimal digits
Move helper test classes to its own package
Extracts the driver initialization to its own class
Refactors test classes related to working with layers

To prepare new tests to check if the results got from the hydraulic
simulation are correct, a refactor on the existing test classes is
made.

A new factory to create the fixture layers has been created, this factory
also prepares object with the expected results to compare with the
calculated values