shift gn for new structure

Author: jdebacker

tests/test_firm.py

@@ -1013,7 +1013,8 @@ def test_solve_L(Y, K, Kg, p, method, expected):
 p3 = Specifications()
 p3.psi = 4.0
 p3.g_n_ss = 0.0
-p3.g_n = np.array([-0.01, 0.02, 0.03, 0.0])
+p3.g_n = np.array([0.02, 0.03, 0.0])
+p3.g_n_preTP = -0.01
 p3.T = 3
 p3.g_y = 0.04
 p3.delta = 0.05