TEST :model groups (ALL) : all has particle with minOccurs=0, maxOccur = 2
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#Model_Groups
| Item | Value | 
|---|---|
| title | mgO003 - mgO003 | 
| name | mgO003 | 
| source | ../mgO003.xsd | 
| schemaName | ../mgO003.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.modelgroups.mgo003 |