[birt-dev]CheckIn: Fix UnitTest failure because of TOC's modification

["Wei Wang" <wwang@xxxxxxxxxxx>]

Title: [birt-dev]CheckIn: Fix UnitTest failure because of TOC's modification

- Summary:
Fix UnitTest failure because of TOC's modification

- Bugzilla Bug (s) Resolved:
None

- Description:
fix UnitTest failure because TOC modify its *prefix* to "__TOC" instead of "toc"

- Tests Description  :
Unit-Test

- Notes to Build Team:
None

- Notes to Developers:
None

- Notes to QA:  
 None

- Notes to Documentation:  
None

- Files Edited:
org.eclipse.birt.report.engine/api/RenderTaskTest.java#10 edit
org.eclipse.birt.report.engine/api/impl/ReportDocumentTest.java#20 edit

- Files Added:
None

- Files Deleted
None

- Wei Wang