fixes invalid sort function in Tester.findTestFiles()

@@ -394,9 +394,7 @@ var Tester = function(casper, options) {
         });
         return entries.filter(function(entry) {
             return utils.isJsFile(fs.absolute(fs.pathJoin(dir, entry)));
-        }).sort(function(a, b) {
-            return a > b;
-        });
+        }).sort();
     };
 
     /**

+var fs = require('fs');
+
 var t = casper.test;
 
 t.comment('Tester.testEquals()');
@@ -24,4 +26,17 @@ t.assertNot(t.testEquals({1:{name:"bob",age:28}, 2:{name:"john",age:26}}, {1:{na
 t.assert(t.testEquals(function(x){return x;}, function(x){return x;}), 'Tester.testEquals() function equality');
 t.assertNot(t.testEquals(function(x){return x;}, function(y){return y+2;}), 'Tester.testEquals() function inequality');
 
+t.comment('Tester.sortFiles()');
+var files = t.findTestFiles(fs.pathJoin(phantom.casperPath, 'tests', 'testdir'));
+t.assertEquals(files, [
+    "/Users/niko/Sites/casperjs/tests/testdir/01_a/abc.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/01_a/def.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/02_b/ABC.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/02_b/abc.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/03_a.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/03_b.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/04/01_init.js",
+    "/Users/niko/Sites/casperjs/tests/testdir/04/02_do.js"
+], 'findTestFiles() find test files and sort them');
+
 t.done();