diff --git a/test.py b/test.py
index d4477df24fec570464e19bdd713b70eda0ab0c3d..d1170697cbfa3146eb1ded405793a4d9af56c2e9 100644
--- a/test.py
+++ b/test.py
@@ -244,7 +244,6 @@ def test_weno_weights_neg_uniform_grid(
     u.compare_arrays(weights_dev.get(), weights_expected)
 
 
-@pytest.mark.slow
 @pytest.mark.parametrize(("states_str,fluxes_str,R_inv_str,wavespeeds_str,"
         "fluxes_pos_expected_str,fluxes_neg_expected_str"), [
     ("2 4 4 4 20,1 1 1 1 5.5", "4 11.2 8 8 46.4,1 2.6 1 1 7.1",
@@ -313,33 +312,6 @@ def test_flux_splitting_uniform_grid(
     u.compare_arrays(fluxes_neg_dev.get(), fluxes_neg_expected)
 
 
-@pytest.mark.slow
-@pytest.mark.parametrize("lam_pointwise_str,lam_roe_str,lam_expected_str", [
-    ("1 2 3 4 5,2 4 6 8 10", "1.5 3 4.5 6 7.5", "2.2 4.4 6.6 8.8 11"),
-    ("1 2 3 4 5,-2 -4 -6 -8 -10", "1.5 3 4.5 6 7.5", "2.2 4.4 6.6 8.8 11"),
-    ("1 2 3 4 5,-2 -4 -6 -8 -10", "3 6 9 12 15", "3.3 6.6 9.9 13.2 16.5"),
-    ("1 2 3 4 5,2 4 6 8 10", "-3 -6 -9 -12 -15", "3.3 6.6 9.9 13.2 16.5"),
-    ("3 2 9 4 5,2 6 6 12 10", "-1 -4 -3 -8 -15", "3.3 6.6 9.9 13.2 16.5")
-    ])
-def test_lax_wavespeeds(
-        ctx_factory, lam_pointwise_str, lam_roe_str, lam_expected_str):
-    prg = u.get_weno_program_with_root_kernel("lax_wavespeeds")
-    queue = u.get_queue(ctx_factory)
-
-    nvars = 5
-
-    lam_pointwise = u.expand_to_6(u.transposed_array_from_string(lam_pointwise_str))
-    lam_roe = u.array_from_string(lam_roe_str)
-    lam_dev = u.empty_array_on_device(queue, nvars)
-
-    prg(queue, nvars=nvars, lambda_pointwise=lam_pointwise,
-            lambda_roe=lam_roe, wavespeeds=lam_dev)
-
-    lam_expected = u.array_from_string(lam_expected_str)
-    u.compare_arrays(lam_dev.get(), lam_expected)
-
-
-@pytest.mark.slow
 @pytest.mark.parametrize("states_str,direction,lam_expected_str", [
     ("2 4 4 4 20,1 1 1 1 5.5", "x",
         "2 2 2 3.49666295 0.503337045,1 1 1 2.49666295 -0.496662955"),
@@ -384,7 +356,6 @@ def test_pointwise_eigenvalues_ideal_gas(
     u.compare_arrays(lam_dev.get(), lam_expected)
 
 
-@pytest.mark.slow
 @pytest.mark.parametrize("states_str,fluxes_str,direction", [
     ("2 4 4 4 20,1 1 1 1 5.5", "4 11.2 8 8 46.4,1 2.6 1 1 7.1", "x"),
     ("2 4 4 4 20,1 1 1 1 5.5", "4 8 11.2 8 46.4,1 1 2.6 1 7.1", "y"),
@@ -444,6 +415,32 @@ def test_roe_uniform_grid_ideal_gas(ctx_factory, states_str, fluxes_str, directi
     check_roe_property(states, fluxes, R, R_inv, lam)
 
 
+@pytest.mark.slow
+@pytest.mark.parametrize("lam_pointwise_str,lam_roe_str,lam_expected_str", [
+    ("1 2 3 4 5,2 4 6 8 10", "1.5 3 4.5 6 7.5", "2.2 4.4 6.6 8.8 11"),
+    ("1 2 3 4 5,-2 -4 -6 -8 -10", "1.5 3 4.5 6 7.5", "2.2 4.4 6.6 8.8 11"),
+    ("1 2 3 4 5,-2 -4 -6 -8 -10", "3 6 9 12 15", "3.3 6.6 9.9 13.2 16.5"),
+    ("1 2 3 4 5,2 4 6 8 10", "-3 -6 -9 -12 -15", "3.3 6.6 9.9 13.2 16.5"),
+    ("3 2 9 4 5,2 6 6 12 10", "-1 -4 -3 -8 -15", "3.3 6.6 9.9 13.2 16.5")
+    ])
+def test_lax_wavespeeds(
+        ctx_factory, lam_pointwise_str, lam_roe_str, lam_expected_str):
+    prg = u.get_weno_program_with_root_kernel("lax_wavespeeds")
+    queue = u.get_queue(ctx_factory)
+
+    nvars = 5
+
+    lam_pointwise = u.expand_to_6(u.transposed_array_from_string(lam_pointwise_str))
+    lam_roe = u.array_from_string(lam_roe_str)
+    lam_dev = u.empty_array_on_device(queue, nvars)
+
+    prg(queue, nvars=nvars, lambda_pointwise=lam_pointwise,
+            lambda_roe=lam_roe, wavespeeds=lam_dev)
+
+    lam_expected = u.array_from_string(lam_expected_str)
+    u.compare_arrays(lam_dev.get(), lam_expected)
+
+
 @pytest.mark.slow
 def test_matvec(ctx_factory):
     prg = u.get_weno_program_with_root_kernel("mult_mat_vec")