dojox/gfx: utils (test_utils.html) failure on toSvg() test (IE8)

[bill]

    Error: test timeout in ../../dojox/gfx/tests/test_utils.html::GFX: Utils Tests::toSvg     ERROR IN: 		 function(){
							var d = new doh.Deferred();
							var def= dojox.gfx.utils.toSvg(drawing);
							def.addCallback(function(svg){
								try{
									doh.assertTrue(svg != null, "Checking that non-null was returned.");
									ta.value = svg;
									doh.assertTrue(svg.length > 0, "Checking that svg length > 0");
									var low = svg.toLowerCase();
									doh.assertTrue(low.indexOf("<svg") === 0, "Checking that the string starts with SVG open tag.");
									doh.assertTrue(low.indexOf("xmlns:xlink=\"http://www.w3.org/1999/xlink\"") !== -1, "Checking the xmlns:xlink attribute.");
									doh.assertFalse(/\s+href\s*=/g.test(low), "Checking there's no href attributes.");
									doh.assertTrue(low.indexOf("xlink:href=") !== -1, "Checking the xlink:href attribute.");
									doh.assertTrue(svg.indexOf("__gfxObject__") === -1, "Checking __gfxObject__ attribute cleanup.");
									d.callback(true);
								}catch(e){
									d.errback(e);
								}
							});
							def.addErrback(function(e){
								d.errback(e);
							});
							return d;
						} FAILED test: ../../dojox/gfx/tests/test_utils.html::GFX: Utils Tests::toSvg 10016 ms

[Patrick Ruzand]

In [28902]:

fix toSvg() crash under ie7/8. Fix <image> svg serialization. fixes #15472 !strict