Add test helper function DSEvaluationTests.SelectivelyAssertValues()
Update some test function names
Merge pull request #1108 from ke-yu/ChocoButter-2Become1

Add helper function to test suite to selectively verify some values in a collection
Merge branch 'ChocoButter-2Become1' of https://github.com/DynamoDS/Dynamo into ChocoButter-2Become1