TEST :Identity-constraint Definition Schema Component : unique Declaration with optional attribute id = '' , name attribute = 'idName'
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#cIdentity-constraint_Definitions
| Item | Value | 
|---|---|
| title | idA006 - idA006 | 
| name | idA006 | 
| source | ../idA006.xsd | 
| schemaName | ../idA006.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.identityconstraint.ida006 |