1 files changed, 30 insertions, 0 deletions
diff --git a/devtools/client/responsive/test/browser/browser_container_tab.js b/devtools/client/responsive/test/browser/browser_container_tab.js
new file mode 100644
index 0000000000..7be60207b8
--- /dev/null
+++ b/devtools/client/responsive/test/browser/browser_container_tab.js
@@ -0,0 +1,30 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Verify RDM opens for a container tab.
+
+const TEST_URL = "https://example.com/";
+
+addRDMTask(
+  null,
+  async function () {
+    // Open a tab with about:newtab in a container.
+    const tab = await addTab(BROWSER_NEW_TAB_URL, {
+      userContextId: 2,
+    });
+    is(tab.userContextId, 2, "Tab's container ID is correct");
+
+    // Open RDM and try to navigate
+    const { ui } = await openRDM(tab);
+    await waitForDeviceAndViewportState(ui);
+
+    await navigateTo(TEST_URL);
+    ok(true, "Test URL navigated successfully");
+
+    await closeRDM(tab);
+    await removeTab(tab);
+  },
+  { onlyPrefAndTask: true }
+);