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
element = (ReportElementHandle) designHandle.findElement( "myGrid" ); 
		assertFalse( element.isValidLayoutForCompoundElement( ) );
		element = (ReportElementHandle) designHandle.findElement( "myTable" ); 
		assertFalse( element.isValidLayoutForCompoundElement( ) );
		element = (ReportElementHandle) designHandle.findElement( "myTable1" ); 
		assertFalse( element.isValidLayoutForCompoundElement( ) );
	}
	/**
	 * Tests one report design including an invalid library.
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testLoadDesignWithInvalidLibrary( ) throws Exception
	{
		openDesign( "DesignWithInvalidLibrary.xml" ); 
		List libraries = designHandle.getAllLibraries( );
		assertEquals( 1, libraries.size( ) );
		assertFalse( ( (LibraryHandle) libraries.get( 0 ) ).isValid( ) );
	}
	/**
	 * Tests one report design including one library with semantic errors.
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testLoadDesignWithSemanticErrorLibrary( ) throws Exception
	{