more test in CI

Author: frrad

pulp/tests/test_gurobipy_env.py

@@ -120,5 +120,16 @@ def test_leak(self):
 
         env = gp.Env(empty=True)
         env.start()
-        assert False, f"{env}"
+
+        license_info = f"""
+Gurobi License Information
+--------------------------
+License ID      : {env.getAttr("LicenseID")}
+Username        : {env.getAttr("Username")}
+Compute Server  : {env.getAttr("ComputeServer")}
+Token Server    : {env.getAttr("TokenServer")}
+License Expiry  : {env.getAttr("LicenseExpiry")}
+"""
+
+        assert False, f"{license_info}"
         self.assertRaises(gp.GurobiError, check_dummy_env)