InvalidDataSourceException
InvalidTestFixtureException is thrown when an appropriate test
            fixture constructor using the provided arguments cannot be found.
            
                
public InvalidDataSourceException()
Initializes a new instance of the  InvalidTestFixtureException class.
            
Initializes a new instance of the  InvalidTestFixtureException class.
            
Initializes a new instance of the  InvalidTestFixtureException class.
            
Serialization Constructor