@Test
    public void testTwoIndexedSerialization() {
        TensorType type = new TensorType.Builder().indexed("x").indexed("y", 3).build();
        Tensor tensor = MixedTensor.Builder.of(type).
                cell().label("x", 0).label("y", 0).value(1).
                cell().label("x", 0).label("y", 1).value(2).
                cell().label("x", 1).label("y", 0).value(4).
                cell().label("x", 1).label("y", 1).value(5).
                cell().label("x", 1).label("y", 2).value(6).
                build();
        assertSerialization(tensor);
    }
Tests for the mixed binary format.

@author lesters
vespajlib/src/test/java/com/yahoo/tensor/serialization/MixedBinaryFormatTestCase.java