Add test for running Close Others on an inactive item (#34425)

Adds a test for the changes added in:
https://github.com/zed-industries/zed/pull/34355

Release Notes:

- N/A

crates/workspace/src/pane.rs

@@ -5857,6 +5857,43 @@ mod tests {
         assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
     }
 
+    #[gpui::test]
+    async fn test_running_close_inactive_items_via_an_inactive_item(cx: &mut TestAppContext) {
+        init_test(cx);
+        let fs = FakeFs::new(cx.executor());
+
+        let project = Project::test(fs, None, cx).await;
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+        let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
+
+        add_labeled_item(&pane, "A", false, cx);
+        assert_item_labels(&pane, ["A*"], cx);
+
+        let item_b = add_labeled_item(&pane, "B", false, cx);
+        assert_item_labels(&pane, ["A", "B*"], cx);
+
+        add_labeled_item(&pane, "C", false, cx);
+        add_labeled_item(&pane, "D", false, cx);
+        add_labeled_item(&pane, "E", false, cx);
+        assert_item_labels(&pane, ["A", "B", "C", "D", "E*"], cx);
+
+        pane.update_in(cx, |pane, window, cx| {
+            pane.close_inactive_items(
+                &CloseInactiveItems {
+                    save_intent: None,
+                    close_pinned: false,
+                },
+                Some(item_b.item_id()),
+                window,
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+        assert_item_labels(&pane, ["B*"], cx);
+    }
+
     #[gpui::test]
     async fn test_close_clean_items(cx: &mut TestAppContext) {
         init_test(cx);