Added test for plug-in class without docstring.

tests/.config/kiplot/plugins/out_test.py

@@ -21,9 +21,6 @@ class TestOptions(BaseOptions):
 
 @output_class
 class Test(BaseOutput):  # noqa: F821
-    """ Test for plugin
-        A loadable output.
-        Nothing useful, just a test. """
     def __init__(self):
         super().__init__()
         logger.debug('Creating a test')

tests/test_plot/test_misc.py

@@ -360,7 +360,8 @@ def test_help_output_plugin_1(test_dir, monkeypatch):
         m.setenv("HOME", os.path.join(ctx.get_board_dir(), '../..'))
         logging.debug('HOME='+os.environ['HOME'])
         ctx.run(extra=['--help-output', 'test'], no_verbose=True, no_out_dir=True, no_yaml_file=True, no_board_file=True)
-    assert ctx.search_out('Test for plugin')
+    assert ctx.search_out(r'\* Undocumented')
+    assert ctx.search_out('Description: No description')
     assert ctx.search_out('Type: .?test.?')
     assert ctx.search_out('nothing')
     assert ctx.search_out('chocolate')