[test] updated/refactored test for description widget

beat/editor/test/test_editors.py

@@ -45,7 +45,9 @@ class MockAssetEditor(AbstractAssetEditor):
         super(MockAssetEditor, self).__init__(parent)
         self.dataformat_model = None
         self.add_field_button = QPushButton(self.tr("Add"))
+        self.description = DescriptionWidget()
         layout = QVBoxLayout(self)
+        layout.addWidget(self.description)
         layout.addWidget(self.add_field_button)
 
         self.add_field_button.clicked.connect(self.__add_field)
@@ -80,19 +82,12 @@ class MockAssetEditor(AbstractAssetEditor):
     def set_description(self, desc):
         """Sets the text description of the asset"""
 
-        description = DescriptionWidget()
-        description.short_description = desc
-        self.layout().addWidget(description)
+        self.description.short_description = desc
 
     def get_description(self):
         """Returns the text description of the asset"""
 
-        description_list = self.findChildren(DescriptionWidget)
-
-        text_data = None
-
-        description = description_list[0]
-        text_data = description.short_description
+        text_data = self.description.short_description
 
         return text_data