gure({ preloadIframes: true });

					Reveal.slide(1);
					assert.strictEqual( getIframe(0).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
					assert.strictEqual( getIframe(1).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
					assert.strictEqual( getIframe(2).hasAttribute( 'src' ), true, 'preloaded within viewDistance' );

				});

				QUnit.test( 'Using preloadIframes: false', function( assert ) {

					Reveal.configure({ preloadIframes: false });

					Reveal.slide(0);