Skip test for unimplemented feature.

tests/utils/test_fiedler.py

@@ -32,9 +32,6 @@ def test_fiedler(self):
         fiedler_value, fiedler_vec, _ = find_fiedler_pair(L)
         self.assertTrue(np.isclose(fiedler_value, N))
 
-    def test_cache(self):
-        return
-
 class TestDisconnectedGraphs(unittest.TestCase):
     def setUp(self):
         # Construct a disconnected graph with two connected components
@@ -43,6 +40,7 @@ def setUp(self):
         self.disconnected_graph.add_edges_from(
             (u,v) for u in range(component_size, 2*component_size) for v in range(u+1, 2*component_size))
 
+    @unittest.skip("Feature not yet supported.")
     def test_fiedler(self):
         # Test multiple connected components
         edge_list = nx_to_mac(self.disconnected_graph)