test: add and remove dockarea items causing issue

tests/end-2-end/test_dockarea_menu.py

@@ -0,0 +1,42 @@
+import pytest
+from qtpy.QtCore import Qt
+
+from bec_widgets.widgets.containers.dock.dock_area import BECDockArea
+
+
+@pytest.fixture
+def dock_area(qtbot):
+
+    dock = BECDockArea()
+    qtbot.addWidget(dock)
+    qtbot.waitExposed(dock)
+    dock.show()
+    qtbot.wait(500)
+
+    yield dock
+
+    dock.remove()
+    dock.deleteLater()
+
+
+def test_sequence_of_add_and_remove(qtbot, dock_area):
+
+    add_sc_action = dock_area.toolbar.widgets["menu_devices"].widgets["scan_control"]
+    add_pb_action = dock_area.toolbar.widgets["menu_devices"].widgets["positioner_box"]
+
+    add_pb_action.trigger()
+    qtbot.wait(1000)
+
+    add_sc_action.trigger()
+    qtbot.wait(1000)
+
+    assert all(w in dock_area.panels for w in ["positioner_box_0", "scan_control_0"])
+
+    dock_area.panels["positioner_box_0"].remove()
+    qtbot.wait(1000)
+
+    dock_area.panels["scan_control_0"].remove()
+    qtbot.wait(1000)
+
+    add_pb_action.trigger()
+    qtbot.wait(1000)