Added tests

@@ -27,3 +27,19 @@ casper.test.begin('filters', 3, function(test) {
     delete casper.foo;
     test.done();
 });
+
+casper.test.begin('events order', 2, function(test) {
+    casper.mowed = "Moo";
+    casper.on("mow", function() {
+        this.mowed = casper.mowed + " Moo";
+    });
+    casper.emit("mow");
+    test.assertEquals(casper.mowed, "Moo Moo", "mowed has the correct value");
+
+    casper.prependListener("mow", function() {
+        this.mowed = this.mowed + " Boo";
+    });
+    casper.emit("mow");
+    test.assertEquals(casper.mowed, "Moo Moo Boo Moo", "mowed has the correct value");
+    test.done();
+});