feat(widgets/stop_button): General stop button added

tests/unit_tests/test_stop_button.py

@@ -0,0 +1,25 @@
+# pylint: disable=missing-function-docstring, missing-module-docstring, unused-import
+
+import pytest
+
+from bec_widgets.widgets import StopButton
+
+from .client_mocks import mocked_client
+
+
+@pytest.fixture
+def stop_button(qtbot, mocked_client):
+    widget = StopButton(client=mocked_client)
+    qtbot.addWidget(widget)
+    qtbot.waitExposed(widget)
+    yield widget
+    widget.close()
+
+
+def test_stop_button(stop_button):
+    assert stop_button.text() == "Stop"
+    assert stop_button.styleSheet() == "background-color:  #cc181e; color: white"
+    stop_button.click()
+    assert stop_button.queue.request_scan_abortion.called
+    assert stop_button.queue.request_queue_reset.called
+    stop_button.close()