fixed selftest failed outside lib root path

-Subproject commit f2d604f78f2c6005c6fd6b63617a2df67c48bab3
+Subproject commit 8cd7fe5c1657b79ca1c467e7dae2b34425778c54

@@ -1081,7 +1081,7 @@ Casper.prototype.runStep = function runStep(step) {
     var skipLog = utils.isObject(step.options) && step.options.skipLog === true;
     var stepInfo = f("Step %d/%d", this.step, this.steps.length);
     var stepResult;
-    if (!skipLog) {
+    if (!skipLog && /^http/.test(this.getCurrentUrl())) {
         this.log(stepInfo + f(' %s (HTTP %d)', this.getCurrentUrl(), this.currentHTTPStatus), "info");
     }
     if (utils.isNumber(this.options.stepTimeout) && this.options.stepTimeout > 0) {

@@ -107,7 +107,18 @@ var Tester = function Tester(casper, options) {
         }
         if (failure.values && Object.keys(failure.values).length > 0) {
             for (var name in failure.values) {
-                this.comment('   ' + name + ': ' + utils.serialize(failure.values[name]));
+                var comment = '   ' + name + ': ';
+                var value = failure.values[name];
+                try {
+                    comment += utils.serialize(failure.values[name]);
+                } catch (e) {
+                    try {
+                        comment += utils.serialize(failure.values[name].toString());
+                    } catch (e) {
+                        comment += '(unserializable value)';
+                    }
+                }
+                this.comment(comment);
             }
         }
     });

@@ -9,8 +9,8 @@ casper.test.assertMatch(xunit.getXML(), /<testcase classname="bar" name="baz"><f
 // named classname
 xunit = require('xunit').create();
 xunit.addSuccess(require('fs').workingDirectory + '/plop.js', 'It worked');
-casper.test.assertMatch(xunit.getXML(), /<testcase classname="plop" name="It worked"/, 'XUnitExporter.addSuccess() handles class name');
+casper.test.assertMatch(xunit.getXML(), /<testcase classname="(.*)plop" name="It worked"/, 'XUnitExporter.addSuccess() handles class name');
 xunit.addSuccess(require('fs').workingDirectory + '/plip.js', 'Failure');
-casper.test.assertMatch(xunit.getXML(), /<testcase classname="plip" name="Failure"/, 'XUnitExporter.addFailure() handles class name');
+casper.test.assertMatch(xunit.getXML(), /<testcase classname="(.*)plip" name="Failure"/, 'XUnitExporter.addFailure() handles class name');
 
-casper.test.done();
\ No newline at end of file
+casper.test.done();