change that tab open change url inplace and get active tab from window id

tests/test_tabs.py

@@ -44,6 +44,13 @@ def test_tabs_active_exists(browser):
     assert len(active) >= 1, "Expected at least one active tab"
 
 
+def test_tabs_active_in_window(browser):
+    active = next(t for t in browser("tabs.list") if t.get("active"))
+    result = browser("tabs.active_in_window", {"windowId": active["windowId"]})
+    assert result["id"] == active["id"]
+    assert result["windowId"] == active["windowId"]
+
+
 def test_tabs_html(browser, http_tab):
     html = browser("tabs.html", {"tabId": http_tab["id"]})
     assert isinstance(html, str)