core: Fix L literals in VdsUpdateRunTimeInfoTest

Fixed long literals in VdsUpdateRunTimeInfoTest from using a lower case
l to an upper case L to reconcile the checkstyle violation.

Change-Id: I2d25beba91b3d1a6c68511a6d46be7236deea61f
Signed-off-by: Allon Mureinik <amureini@redhat.com>