Maybe fixed test on Ubuntu

A dictionary might be changed in an unexpected way.

HARK/ConsumptionSaving/tests/test_ConsMarkovModel.py

@@ -1,5 +1,5 @@
 import unittest
-from copy import copy
+from copy import deepcopy
 
 import numpy as np
 
@@ -56,7 +56,7 @@ def setUp(self):
             ]
         )
 
-        init_serial_unemployment = copy(init_indshk_markov)
+        init_serial_unemployment = deepcopy(init_indshk_markov)
         init_serial_unemployment["MrkvArray"] = [MrkvArray]
         init_serial_unemployment["UnempPrb"] = np.zeros(2)
         # Income process is overwritten below to make income distribution when employed
@@ -224,3 +224,7 @@ def main_test(self):
         self.assertAlmostEqual(
             Markov_vFuncBool_example.solution[0].vFunc[1](0.4), -4.12794
         )
+
+if __name__ == "__main__":
+    # Run all the tests
+    unittest.main()

HARK/ConsumptionSaving/tests/test_TractableBufferStockModel.py

@@ -24,3 +24,7 @@ def test_simulation(self):
             self.tct.history["mLvl"][15][0] - self.tct.history["cLvlNow"][15][0],
             self.tct.history["aLvl"][15][0],
         )
+
+if __name__ == "__main__":
+    # Run all the tests
+    unittest.main()