def test_donnees(processus) :
    assert processus[0] == {'name': 'P1', 'duree': 3, 'arrivee': 0}
    print('P1 ok')
    assert processus[1] == {'name': 'P2', 'duree': 6, 'arrivee': 1}
    print('P2 ok')
    assert processus[2] == {'name': 'P3', 'duree': 4, 'arrivee': 4}
    print('P3 ok')
    assert processus[3] == {'name': 'P4', 'duree': 2, 'arrivee': 6}
    print('P4 ok')
    assert processus[4] == {'name': 'P5', 'duree': 1, 'arrivee': 7}
    print('P5 ok')