E2E Tests: auto run all tests

[SurfingNerd]

We have put a lot of effords developion the integration tests:
#3

Those test the Contracts together with the Node-software to ensure that everything works together.

integration tests are known as testrun , that do a cleanup on old data, build a new blockchain, and run the specified tests against the new network.
some of those tests require a large network (~25) and they do need a lot of CPU&RAM.