[424422] Fix tests (with font pb) falling since commit [1]

[1]
http://git.eclipse.org/c/sirius/org.eclipse.sirius.git/commit/?id=7e48d91962f6f4eff3599469bb6b1ee2f7228def

Bug: 424422
Change-Id: I4f3de0b9e15fb14fd9f6acf0650e30e8881c1314
Signed-off-by: Laurent Redor <laurent.redor@obeo.fr>
8 files changed