[424422] Add tests for table and tree editors.

Diagram editor is already tested with
org.eclipse.sirius.tests.swtbot.LabelFontModificationsTest

Bug: 424422
Change-Id: I3969ed05c0b2ee20dc3e3ec3f4dcfe5cf1c66b20
Signed-off-by: Laurent Redor <laurent.redor@obeo.fr>
3 files changed