TEST :Identity-constraint Definition Schema Component : field element, content of annotation then field
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#cIdentity-constraint_Definitions
| Item | Value | 
|---|---|
| title | idE021 - idE021 | 
| name | idE021 | 
| source | ../idE021.xsd | 
| schemaName | ../idE021.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.identityconstraint.ide021 |