Bug 453981: setValue on AbstractProposalField doesn't refresh display
text properly

Changed duplicated class id for lookup call

Change-Id: I5395d396af9662f1dd66b743975fa125cb296723
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=453981
Reviewed-on: https://git.eclipse.org/r/37590
Tested-by: Hudson CI
Reviewed-by: Judith Gull <jgu@bsiag.com>
Bug 402298: Extend unittests for CollectionUtility

Change-Id: I35fdf17af1d26b7eceeae345c18f5a04ac7db754
Signed-off-by: Patrick Bänziger <patrick.baenziger@bsiag.com>
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=402298
Reviewed-on: https://git.eclipse.org/r/37578
Reviewed-by: Judith Gull <jgu@bsiag.com>
Tested-by: Judith Gull <jgu@bsiag.com>