update test on AdvancementOW. close #773

src/orangecontrib/tomwer/widgets/control/tests/test_advancement.py

 # coding: utf-8
-from __future__ import annotations
-
-import gc
-
-from silx.gui import qt
-from silx.gui.utils.testutils import TestCaseQt
 
+from tomwer.tests.conftest import qtapp  # noqa F401
 from orangecontrib.tomwer.widgets.control.AdvancementOW import AdvancementOW
 
 
-class TestAdvancementOw(TestCaseQt):
-    def setUp(self):
-        super().setUp()
-        self.widget = AdvancementOW()
-
-    def tearDown(self):
-        self.widget.setAttribute(qt.Qt.WA_DeleteOnClose)
-        self.widget.close()
-        self.widget = None
-        gc.collect()
-
-    def test(self):
-        self.widget.show()
+def test_totsaso(qtapp):  # noqa F401
+    AdvancementOW()