diff --git a/gtep/tests/unit/test_gtep_model.py b/gtep/tests/unit/test_gtep_model.py
index 564b71b..b695a66 100644
--- a/gtep/tests/unit/test_gtep_model.py
+++ b/gtep/tests/unit/test_gtep_model.py
@@ -99,7 +99,7 @@ def test_solve_bigm(self):
         opt = Highs()
         TransformationFactory("gdp.bigm").apply_to(modObject.model)
         modObject.results = opt.solve(modObject.model)
-        modObject.model.pprint("prettypretty.txt")
+        modObject.model.pprint()
         self.assertAlmostEqual(
             value(modObject.model.total_cost_objective_rule), 1375.56, places=1
         )