TEST :Syntax Checking for Attribute Declaration (ID) : Test attributeGroup declaration with optional attribute id='0'
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#cAttribute_Group_Definitions
| Item | Value | 
|---|---|
| title | attgA002 - attgA002 | 
| name | attgA002 | 
| source | ../attgA002.xsd | 
| schemaName | ../attgA002.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.attributegroup.attga002 |