mark some slow tests

pyscf/lno/test/test_ulnoccsd.py

@@ -63,7 +63,7 @@ def tearDownClass(cls):
         cls.mol.stdout.close()
         del cls.mol, cls.mf, cls.ecano, cls.frozen
 
-    def test_ulno_pm_by_thresh(self):
+    def test_ulno_pm_by_thresh_slow(self):
         mol = self.mol
         mf = self.mf
         frozen = self.frozen

pyscf/pbc/pwscf/test/test_krccsd.py

@@ -91,7 +91,7 @@ def _run_test(self, atom, a, basis, pseudo, ke_cutoff, kmesh, exxdiv,
             pwcc.kernel()
             assert_allclose(pwcc.e_corr, -0.03234330656841895, atol=1.e-4, rtol=0)
 
-    def test_krccsd(self):
+    def test_krccsd_slow(self):
         ke_cutoff = 50
         basis = "gth-szv"
         pseudo = "gth-pade"

pyscf/pbc/scf/test/test_khf_stagger.py

@@ -118,7 +118,7 @@ def test_222_h2_krks_gdf_nonscf(self):
         self.assertAlmostEqual(etot, -1.133718254945507, 7)
         self.assertAlmostEqual(ek_stagger, -0.5678938270891276, 7)
 
-    def test_222_h2_fftdf_splitscf(self):
+    def test_222_h2_fftdf_splitscf_slow(self):
         cell = build_h2_cell()
         nk = [2, 2, 2]
         etot, ek_stagger = run_khf_fftdf(cell, nk, stagger_type="split-scf")
@@ -127,7 +127,7 @@ def test_222_h2_fftdf_splitscf(self):
             ek_stagger, -0.5690576097072846, 7
         )  # QChem value: -0.5690575951
 
-    def test_222_h2_fftdf_regular(self):
+    def test_222_h2_fftdf_regular_slow(self):
         cell = build_h2_cell()
         nk = [2, 2, 2]
         etot, ek_stagger = run_khf_fftdf(cell, nk, stagger_type="regular", kernel=False)

pyscf/tdscf/test/test_krylov.py

@@ -67,7 +67,7 @@ def matrix_vector_product_single(x):
         self.places_single = 3
 
 
-    def test_krylov_eigenvalue(self):
+    def test_krylov_eigenvalue_slow(self):
         """Test Krylov solver for eigenvalue problem"""
         _, eigenvalues, eigenvectors = krylov_solver(
             matrix_vector_product=self.matrix_vector_product,