few lines of coverage (#2227)

aeon/classification/ordinal_classification/tests/test_ordinal_tde.py

@@ -58,3 +58,15 @@ def test_ordinal_tde_multivariate():
     tde = IndividualOrdinalTDE(max_dims=1)
     tde._fit(X, y)
     assert len(tde._dims) == 1
+
+
+def test_ordinal_tde_dict_states():
+    """Test Ordinal TDE dict conversions."""
+    # train TDE
+    X, y = make_example_3d_numpy(n_cases=20, n_channels=10, n_timepoints=50)
+    tde = IndividualOrdinalTDE(n_jobs=2)
+    tde.fit(X, y)
+    tde._typed_dict = True  # Example value for testing
+    state = tde.__getstate__()
+    assert isinstance(state, dict)
+    tde.__setstate__(state)