Draft: Add mock code and tests

• Add MockIdentifiable and IdentifiableTest for IIdentifiable
• Add MockEnvironment and EnvironmentTest for IEnvironment
• Add MockLaneLocationQueryService and LaneLocationQueryServiceTest for ILaneLocationQueryService
• Add MockEntity and EntityTest for IEntity

Re. #33 (closed)

Please review and discuss.

Cheers, Martin

The program was tested solely for our own use cases, which might differ from yours.

Martin Stump martin.stump@mercedes-benz.com on behalf of Mercedes-Benz Tech Innovation GmbH, Provider Information