Bug 183918 get relative file path of linkage library
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/library/DesignLoadLibraryTest.java
{
			openDesign( "DesignWithDuplicateNamespace1.xml" ); 
			fail( );
		}
		catch ( DesignFileException e )
		{
			assertEquals(
					LibraryException.DESIGN_EXCEPTION_DUPLICATE_LIBRARY_NAMESPACE,
					( (ErrorDetail) e.getErrorList( ).get( 0 ) ).getErrorCode( ) );
		}
	}
	/**
	 * Tests extended element with duplicate name in design file and library
	 * file. Now master page just support grid , so just test gird which
	 * contains slot handle.
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testLoadDesignWithDuplicateNames( ) throws Exception
	{
		try
		{
			openDesign( "DesignWithDuplicatedNameLibrary.xml" ); 
			assertTrue( true );
		}
		catch ( DesignFileException e )
		{
			fail( "Open DesignWithDuplicatedNameLibrary.xml Error: " + e.getMessage( ) );
		}