bug 9370: add invalid call number to LC splitting test cases

bug 9370: add invalid call number to LC splitting test cases

'123 ABC FOO BAR' is intentionally *not* a valid LC call number,
but in order to preserve legacy behavior, it should be split on
whitespace.

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 a5e9e15663289489e0baafff73d7bed20434b8ec)
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>