diff --git a/common/tests/functional/utils.js b/common/tests/functional/utils.js
new file mode 100644
index 00000000..309fea11
--- /dev/null
+++ b/common/tests/functional/utils.js
@@ -0,0 +1,49 @@
+function module(uri) {
+    let obj = {};
+    Components.utils.import(uri, obj);
+    return obj;
+}
+
+var elementslib = module("resource://mozmill/modules/elementslib.js");
+var frame = module("resource://mozmill/modules/frame.js");
+var jumlib = module("resource://mozmill/modules/jum.js");
+
+function toJSON(val) {
+    if (typeof val == "function")
+        return val.toSource();
+    else
+        return val;
+}
+
+function test(val, params) {
+    frame.events[val ? "pass" : "fail"](params);
+    return val;
+}
+
+for (var [k, v] in Iterator({
+
+    NS: Namespace("dactyl", "http://vimperator.org/namespaces/liberator"),
+
+    module: module,
+
+    toJSON: toJSON,
+
+    test: test,
+
+    assert: function (funcName, value, comment)
+        test(value, {
+            function: funcName, 
+            value: toJSON(value),
+            comment: toJSON(comment)
+        }),
+
+    assertEqual: function (funcName, want, got, comment)
+        test(want == got, {
+            function: funcName, 
+            want: toJSON(want), got: toJSON(got),
+            comment: toJSON(comment)
+        })
+}))
+    exports[k] = v;
+
+// vim: sw=4 ts=8 et: