for example during
org.eclipse.e4.ui.tests.application.EPartServiceTest
.testHidePart_ActivationHistory09()


Change-Id: Ie1e7cdb679b322fc7f7feb8477ac12dc8e3b1d20
Signed-off-by: Joerg Kubitz <jkubitz-eclipse@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/187211
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Mickael Istria <mistria@redhat.com>