* Add check if BrowseName already exists in ParentNode

* Replace try-except blocks
Log error in check_method, not everywhere else

* Remove checks, because they are not cought if UaClient sends addNode request

* Add test to try identifing if BrowseName of new Node is child of ParentNode. If yes, raise error.If Node is root, ignore test.

* Fix tests, because multiple identical BrowseNames with the same parent Node is not allowed.

* Remove exception and ignore root Node directly

* Fix test by change Browsename

* Tidy up codeformat

* Try to get all sorts of NodeId child classes
Delete root Node parent check

* Remove empty aspace arg
Check if Reference is a HasChild Reference or a subtype of it

* Change pytest fixtures to function to not interfere with other tests
Add check if Nodes are in the same Namespace as well
Add duplicated browsename test

* Seperate between root Node or others
As well pushing test again...

* Add more Meta information about Node positions

* Add more Meta information about Nodes which seems to fail

* Change Browsename since both Nodes contain the same Browsename

* Replace dirty print with log

* Register Namespace and import Nodes, because Tests have been interfered eachother

* Try if test interferes with others

* Add check to catch faulty preperation

* Revert "Try if test interferes with others"

This reverts commit b0ac20dc2e898a70a7dedb433da9b88dfb2dc3fd.
Revert "Add check to catch faulty preperation"

This reverts commit c0e5ff6c628076b99d972778fef2dd33132a29a2.

* Change parallel jobs to stages, to reduce the load from Travis

* Check if just this test causes problems

* Fix typo in decorator of pytest

* Change object name
Delete some nodes after test, to be reusable in other
Undo scope back to module

* Add more Node cleanups

* Add cleanup if xml was imported

* Add more Node cleanups to avoid duplicated browsenames while import xml in tests

* Fix list issue in test

* Add even more necessary node cleanups

* Add more Node cleanups

* Remove faulty await

* Add Node cleanup for imported xml Nodes

* Try to get rid of imported nodes from xml

* Getting rid of imported nodes from xml

* Revert Travis
Some PEP8 cleanups

* Fix some changes back to master branch state

* Revert pytest changes

* Avoid multiple Nodes with same Browsename in test server

* Add some more Node cleanups

* Revert wrong changes

* Switch try/except with if ... not/else statement

* Remove empty parent check
Replace explicit in _nodes[] check with a general in _aspace[] check