TEST :Syntax Checking for Attribute Declaration (form) : two attribute decl with the same name, reference from different attributeGroup
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#cAttribute_Declarations
| Item | Value | 
|---|---|
| title | attQ013 - attQ013 | 
| name | attQ013 | 
| source | ../attQ013.xsd | 
| schemaName | ../attQ013.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.attribute.attq013 |