More fixes for mainwindow tests

spyder/app/tests/test_mainwindow.py

@@ -5445,7 +5445,7 @@ def test_func():
     run_parameters = generate_run_parameters(main_window, fname)
     CONF.set('run', 'last_used_parameters', run_parameters)
 
-    main_window.editor.update_run_focus_file()
+    main_window.editor.get_widget().update_run_focus_file()
     qtbot.wait(2000)
 
     # Click the run button
@@ -5636,7 +5636,7 @@ def test_debug_unsaved_function(main_window, qtbot):
     run_parameters = generate_run_parameters(main_window, fname)
     CONF.set('run', 'last_used_parameters', run_parameters)
 
-    main_window.editor.update_run_focus_file()
+    main_window.editor.get_widget().update_run_focus_file()
     qtbot.wait(2000)
 
     # Set breakpoint

spyder/plugins/editor/plugin.py

@@ -797,6 +797,12 @@ def close_file_from_name(self, *args, **kwargs):
     def close_all_files(self):
         return self.get_widget().close_all_files()
 
+    def go_to_line(self, *args, **kwargs):
+        return self.get_widget().go_to_line(*args, **kwargs)
+
+    def set_current_filename(self, *args, **kwargs):
+        return self.get_widget().set_current_filename(*args, **kwargs)
+
     # ---- Private API
     # ------------------------------------------------------------------------
     # ---- Run related methods

spyder/plugins/editor/widgets/main_widget.py

@@ -1487,12 +1487,13 @@ def update_source_menu(self, options, **kwargs):
         named_options = dict(zip(option_names, options))
         for name, action in self.checkable_actions.items():
             if name in named_options:
-                if name == 'underline_errors':
+                opt = named_options[name]
+                section = 'editor'
+                completions_options = ['pycodestyle', 'pydocstyle']
+                if name in completions_options:
                     section = 'completions'
-                    opt = 'underline_errors'
-                else:
-                    section = 'editor'
-                    opt = named_options[name]
+                if name == 'underline_errors':
+                    opt = name
 
                 state = self.get_conf(opt, section=section)