lides>section>section a[href="#/slide2"]' ).length, 1, 'found one slide with a link to slide2' );
				});

				QUnit.test( 'data-background attributes', function( assert ) {
					assert.strictEqual( deck3.getRevealElement().querySelectorAll( '.reveal .slides>section>section[data-background="#A0C66B"]' ).length, 1, 'found one vertical slide with data-background="#A0C66B"' );
					assert.strictEqual( deck3.getRevealElement().querySelectorAll( '.reveal .slides>section>section[data-background="#ff0000"]' ).leng