TEST :model groups (ALL) : all has particle with minOccurs=maxOccur = 0
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#Model_Groups
| Item | Value | 
|---|---|
| title | mgO001 - mgO001 | 
| name | mgO001 | 
| source | ../mgO001.xsd | 
| schemaName | ../mgO001.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.modelgroups.mgo001 |