1 files changed, 15 insertions, 0 deletions
diff --git a/browser/base/content/test/head_plain.js b/browser/base/content/test/head_plain.js
new file mode 100644
index 000000000..62f9afb2e
--- /dev/null
+++ b/browser/base/content/test/head_plain.js
@@ -0,0 +1,15 @@
+
+function waitForCondition(condition, nextTest, errorMsg) {
+  var tries = 0;
+  var interval = setInterval(function() {
+    if (tries >= 30) {
+      ok(false, errorMsg);
+      moveOn();
+    }
+    if (condition()) {
+      moveOn();
+    }
+    tries++;
+  }, 100);
+  var moveOn = function() { clearInterval(interval); nextTest(); };
+}