Bug 574872 - [Clean-up] Use lambda where possible in tests (2)

Clean up using the JDT clean-up:
- Convert functional interface instances: Use lambda where possible

Change-Id: I3f97cc918bb332bfe33c6e6c4002f73b6214fc30
Signed-off-by: Hannes Wellmann <wellmann.hannes1@gmx.net>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.framework/+/183301
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
Reviewed-by: Lars Vogel <Lars.Vogel@vogella.com>
28 files changed