TEST :Syntax Checking for Attribute Declaration (ID) : circular reference, attG A ref to B which ref C which ref back to A
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#cAttribute_Group_Definitions
| Item | Value | 
|---|---|
| title | attgD041 - attgD041 | 
| name | attgD041 | 
| source | ../attgD041.xsd | 
| schemaName | ../attgD041.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.attributegroup.attgd041 |