test_hoomd_xml now places all particles in the box
test_hoomd_xml now places all particles in the box

There was a problem where some particles were placed outside the box. With the new snapshot code that wraps all particles back into the box, this triggered an apparent failure in the unit test.
joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue