[birt-dev] CheckIn:Fix a unit test error

["Lin Zhu" <lzhu@xxxxxxxxxxx>]

- Summary:
Fix a unit test error

- Bugzilla Bug (s) Resolved:
None

- Description:
Unit test error in class org.eclipse.birt.data.engine.api.GroupOnRowTest is fixed.

 

- Tests Description:
Unit test.

- Files Edited:
"/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryService.java"

"/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryExecutor.java"

"/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/group/GroupUtil.java"

 

- Files Added:

N/A

- Files Deleted:

N/A

 

- Notes to Build Team:
N/A

- Notes to Developers:
N/A

- Notes to QA:  

N/A

 

- Notes to Documentation:  
N/A