def test_add_intervention(self):
project = Project('test_project', 'Agile', 200000, LowRevenueTier())
project.locations = [Location('Rio de Janeiro', "Brazilian", 30),Location('New Dehli', "Indian", 30)];
starting_cash = project.cash
project.add_intervention("Rio de Janeiro","Reduce interaction between teams")
#Intervention added
self.assertTrue(project.locations[0].intervention_list[0] == "Reduce interaction between teams")
#Intevention Level Raised
self.assertTrue(project.locations[0].intervention_level == 1)
#Cash removed
self.assertTrue(project.cash < starting_cash)
pass
