Make property on controller Testing and add test failures in catch clauses.
Cleanup.
Add a base class for revit drop down nodes.
Merge branch 'master' of https://github.com/ikeough/Dynamo
Update some samples and make a new dynamo for every test.
Don't recreate dynamo. Do delete all elements in doc.
Dont clear the watchtree if it doesn't exist.
Force loading of custom definitions for graph function samples.
Merge branch 'master' of https://github.com/ikeough/Dynamo