bug 6281: add test case for sorting LC call numbers correctly

bug 6281: add test case for sorting LC call numbers correctly

My thanks to Michael Flanagan of UCAR for providing some of
these examples.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit 87ab820a20e1ef935d4d29c6fed313e9723fcb64)
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
(cherry picked from commit cee5651e11e48c240136e764b628545a1ba6d05e)
Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
(cherry picked from cee5651e11e48c240136e764b628545a1ba6d05e)
Signed-off-by: Chris Hall <followingthepath@gmail.com>
(cherry picked from 0f6bff1348d0273deafe4c503f5b8162bc16b970)