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( "DesignIncludeRecursiveLibraries.xml" ); 
			fail( );
		}
		catch ( DesignFileException e )
		{
			assertEquals(
					LibraryException.DESIGN_EXCEPTION_LIBRARY_INCLUDED_RECURSIVELY,
					( (ErrorDetail) e.getErrorList( ).get( 0 ) ).getErrorCode( ) );
		}
	}
	/**
	 * Tests adding one library which has the same namespace as the one in
	 * design file.
	 * <p>
	 * <ul>
	 * <li>Design file includes Lib1.
	 * <li>Add another Lib1 to design file.
	 * <li>The exception of duplicate library namespace is reported.
	 * </ul>
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testAddingLibraryWithDuplicateNamespace1( ) throws Exception
	{
		openDesign( "DesignWithOneLibrary.xml" ); 
		assertEquals( 1, designHandle.getAllLibraries( ).size( ) );
		LibraryHandle library1 = designHandle.getLibrary( "Lib1" ); 
		assertNotNull( library1 );
		try