Create test_plugin_utils.py

- Small test for utils plugin

Author: C-Achard

napari_cellseg3d/_tests/test_plugin_utils.py

@@ -0,0 +1,12 @@
+from napari_cellseg3d.code_plugins.plugin_utilities import Utilities
+from napari_cellseg3d.code_plugins.plugin_utilities import UTILITIES_WIDGETS
+
+def test_utils_plugin(make_napari_viewer):
+    view = make_napari_viewer()
+    widget = Utilities(view)
+
+    view.window.add_dock_widget(widget)
+    for i, utils_name in enumerate(UTILITIES_WIDGETS.keys()):
+        widget.utils_choice.setCurrentIndex(i)
+        assert isinstance(widget.utils_widgets[i], UTILITIES_WIDGETS[utils_name])
+