ion="zoom"' );
					assert.strictEqual( deck3.getRevealElement().querySelectorAll( '.reveal .slides>section>section[data-transition="fade"]' ).length, 1, 'found one vertical slide with data-transition="fade"' );
					assert.strictEqual( deck3.getRevealElement().querySelectorAll( '.reveal .slides section [data-transition="zoom"]' ).length, 1, 'found one slide with data-transition="zoom"' );
				});

				QUnit.test( 'data-background attributes with default separator', function( assert ) {
					assert.strictEq