old_contents: import unittest
  import fire_rs.firemodel.propagation as propagation
  
  
  class TestPropagation(unittest.TestCase):
  
      def test_propagate(self):
          env = propagation.Environment([[480060.0, 490060.0], [6210074.0, 6220074.0]], wind_speed=4.11, wind_dir=0)
          prop = propagation.propagate(env, 10, 20, horizon=3*3600)
          # prop.plot(blocking=True)
  
  
new_contents: import unittest
  import fire_rs.firemodel.propagation as propagation
  
  
  class TestPropagation(unittest.TestCase):
  
  
      def setUp(self):
          self.test_area = [[480060.0, 490060.0], [6210074.0, 6220074.0]]
  
      def test_propagate(self):
          env = propagation.Environment(self.test_area, wind_speed=4.11, wind_dir=0)
          prop = propagation.propagate(env, 10, 20, horizon=3*3600)
          # prop.plot(blocking=True)
  
      def test_propagate_full(self):
          env = propagation.Environment(self.test_area, wind_speed=18.11, wind_dir=0)
          prop = propagation.propagate(env, 10, 20)
          # prop.plot(blocking=True)
  
subject: Add large propagation test.