TestParameters
TestParameters class holds any named parameters supplied to the test run
            
                
Gets the number of test parameters
            
Indexer provides access to the internal dictionary
            
Gets a collection of the test parameter names
            
public TestParameters()
Gets a flag indicating whether a parameter with the specified name exists.
            
Get method is a simple alternative to the indexer
            
Get the value of a parameter or a default string
            
Get the value of a parameter or return a default