Unit Testing Error - The unit test adapter failed to connect to the data source or to read the data

Question

I\'m using VSTS 2K8 and I\'ve set up a Unit Test Project. In it, I have a test class with a method that does a simple assertion. I\'m using an Excel 2007 spreadsheet as my

Answer 1

I had a similar problem but was just trying to deploy a simple XML file.

The problem turned out to be the filename of the file I was deploying was too long.