Tests the node model.
Original lengths
Number of ports: 2
Testing node size
width greater than 0: true
height greater than 0: true
Test adding param port
Number of ports: 3
height increases: true
Tests the node model.
Original lengths
Number of ports: 2
Testing node size
width greater than 0: true
height greater than 0: true
Test adding param port
Number of ports: 3
height increases: true