A model group must be one.
http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/#cModel_Group_Definitions
TEST modelgroup00102m5 - 2 model groups: <choice>, <sequence> (invalid schema)
| Item | Value | 
|---|---|
| title | modelgroup00102m5 - 2 model groups: <choice>, <sequence> (invalid schema) | 
| name | modelgroup00102m5 | 
| source | ../modelGroup00102m5.xsd | 
| schemaName | ../modelGroup00102m5.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.mgroupdef.modelgroup.modelgroup00102m.modelgroup00102m5 |