tests: tweak to be faster

tests/test_solver.py

@@ -203,7 +203,7 @@ def test_selfcons_kupriyanov(request, T):
     Delta0 = BCS_Delta(T, Tc0)
     Delta00 = BCS_Delta(0.05, Tc0)
 
-    sol = example_sns_1d(0, L, nx=100, ny=1, Delta0=Delta0)
+    sol = example_sns_1d(0, L, nx=40, ny=1, Delta0=Delta0)
     sol.Ly = 1
     phase_mask = (sol.mask == MASK_TERMINAL) & (sol.x[:, None] > 0)
 
@@ -215,8 +215,8 @@ def test_selfcons_kupriyanov(request, T):
         T_c0=Tc0,
         phase_mask=phase_mask,
         filename=cache_fn,
-        tol=1e-6,
         workers=-1,
+        ds=0.4,
     )
 
     phis, Deltas, Js = res
@@ -236,7 +236,7 @@ def test_selfcons_kupriyanov(request, T):
 
     Imax = abs(Is_u).max()
 
-    assert curve_separation(phis, Is, phis_u, Is_u) < 0.025 * Imax
+    assert curve_separation(phis, Is, phis_u, Is_u) < 0.04 * Imax
     assert curve_separation(phis, Is, phis_k, Is_k) < 0.075 * Imax