-testpathas Visible only for test sources and Without test code, which is now supported by Eclipse Photon, when at least one source folder in the project is marked as Contains test sources. See http://www.eclipse.org/photon/noteworthy/index.php#java-views-and-dialogs.
For Bnd 4.2.0 changes, see https://github.com/bndtools/bnd/wiki/Changes-in-4.2.0.
The recommended way to install Bndtools via the Eclipse Marketplace.
Install New Software...
Add...button near the top-right.
Bndtools. In the Location field enter one of the the following URLs
Finish, acknowledging the licenses