1 files changed, 20 insertions, 0 deletions
diff --git a/browser/base/content/test/forms/head.js b/browser/base/content/test/forms/head.js
new file mode 100644
index 0000000000..4776639054
--- /dev/null
+++ b/browser/base/content/test/forms/head.js
@@ -0,0 +1,20 @@
+function hideSelectPopup(selectPopup, mode = "enter", win = window) {
+  let browser = win.gBrowser.selectedBrowser;
+  let selectClosedPromise = SpecialPowers.spawn(browser, [], async function() {
+    let { SelectContentHelper } = ChromeUtils.import(
+      "resource://gre/actors/SelectChild.jsm",
+      null
+    );
+    return ContentTaskUtils.waitForCondition(() => !SelectContentHelper.open);
+  });
+
+  if (mode == "escape") {
+    EventUtils.synthesizeKey("KEY_Escape", {}, win);
+  } else if (mode == "enter") {
+    EventUtils.synthesizeKey("KEY_Enter", {}, win);
+  } else if (mode == "click") {
+    EventUtils.synthesizeMouseAtCenter(selectPopup.lastElementChild, {}, win);
+  }
+
+  return selectClosedPromise;
+}