Fixed migration function
Updated List negative test cases
Updated String negative test cases
Marked inconclusive test cases
Updated String negative test cases
Added back test case
Merge branch 'ChocoButter-2Become1' of https://github.com/DynamoDS/Dynamo into ChocoButter-2Become1
Fixed a method for testing
Added a recorded test case for CBN
Merge pull request #1394 from ellensi/ChocoButter-2Become1

String, List, and Code Block Nodes test cases