remove auto test of compute_flux_derivatives since it's now obsolete

test/test_flux_derivatives.py

@@ -61,17 +61,6 @@ def test_compute_flux_derivatives_uniform_grid(queue, cfd_test_data_fixture):
     u.compare_arrays(flux_derivatives_dev.get(), data.flux_derivatives)
 
 
-@pytest.mark.slow
-def test_compute_flux_derivatives(ctx_factory):
-    prg = u.get_weno_program()
-
-    queue = u.get_queue(ctx_factory)
-    prg = prg.copy(target=lp.PyOpenCLTarget(queue.device))
-
-    lp.auto_test_vs_ref(prg, ctx_factory(), warmup_rounds=0,
-            parameters=dict(ndim=3, nvars=5, nx=16, ny=16, nz=16, d=0))
-
-
 # This lets you run 'python test.py test_case(cl._csc)' without pytest.
 if __name__ == "__main__":
     if len(sys.argv) > 1: