Surprise: Even Microsoft guys also need some test pages to see whether Dynamics CRM 2011 is having some problems or not.
Like we create a simple “Hello World” page, same way, to check that the DLLs are in place and they are at least working fine, Microsoft Engineers created the test pages – which might have came accidentally into release version.
http://server:20385/MSCRMServices/Test/crmtest.aspx
http://server:20385/Test/crmtest.aspx