Add tearDown to TestProjectFunctional
Add tearDown to TestProjectFunctional

The tearDown function calls DBSession.remove to dipose of the current session. This makes it possible to call DBSession.configure again in a next test.

baditaflorin/osm-tasking-manager2,ethan-nelson/osm-tasking-manager2,ethan-nelson/osm-tasking-manager2,stefanb/osm-tasking-manager2,jarmokivekas/osm-tasking-manager2,jarmokivekas/osm-tasking-manager2,KaiDalgleish/osm-tasking-manager2,baditaflorin/osm-tasking-manager2,baditaflorin/osm-tasking-manager2,stefanb/osm-tasking-manager2,jarmokivekas/osm-tasking-manager2,ethan-nelson/osm-tasking-manager2,baditaflorin/osm-tasking-manager2,KaiDalgleish/osm-tasking-manager2,KaiDalgleish/osm-tasking-manager2,stefanb/osm-tasking-manager2,jarmokivekas/osm-tasking-manager2,stefanb/osm-tasking-manager2,ethan-nelson/osm-tasking-manager2,KaiDalgleish/osm-tasking-manager2