[STF] created workaround for a SWTBot bug

This bug is affecting the refactored version of the
EnterProjectNamePage.

See: https://bugs.eclipse.org/bugs/show_bug.cgi?id=344484

TODO: fix the bug in the Framework

Change-Id: Ia8fe3137f6a7eab627aee7137aa034b28e35f851
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1529
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>