修复test_mql事件后积分步长控制

tests/test_test_mql_pneumatic.py

@@ -55,6 +55,9 @@ class TestMqlPneumaticAssemblyTests(unittest.TestCase):
         self.assertAlmostEqual(fixed_chamber.volume, 0.057)
         self.assertAlmostEqual(variable_chamber.dead_volume, 0.015)
         self.assertAlmostEqual(variable_chamber.volume, 0.015)
+        self.assertAlmostEqual(variable_chamber.heat_transfer_coefficient, 1500.0)
+        self.assertAlmostEqual(variable_chamber.heat_transfer_area, 0.7)
+        self.assertAlmostEqual(variable_chamber.external_temperature, 293.15)
         self.assertIs(fixed_chamber.gas, HELIUM_PNEUMATIC_GAS)
         self.assertIs(variable_chamber.gas, HELIUM_PNEUMATIC_GAS)
         self.assertAlmostEqual(fixed_chamber.properties().T, 293.15)