Added tests plugins

tests/plugin/test_plugin.py

 import unittest
 
 from lodel.plugin.plugins import Plugin, PluginError
+from lodel.settings.settings import Settings
+import tests.loader_utils
 
 class PluginTestCase(unittest.TestCase):
 
     # With a wrong plugin name, a NameError Exception has to be raised at line 318 of plugin.py
     def test_plugin_init_wrong_name(self):
         with self.assertRaises(NameError):
-            Plugin.start(['/home/helene/lodel2/plugins'],['wrong_plugin_name'])
+            Plugin.start(['/home/helene/lodel2/plugins', '/home/helene/lodel2/tests/tests_plugins' ],['wrong_plugin_name'])
         Plugin.clear()
         
     # With a wrong plugin name, a NameError Exception has to be raised at line 318 of plugin.py
     def test_plugin_init_right_wrong_name(self):
         with self.assertRaises(NameError):
-            Plugin.start(['/home/helene/lodel2/plugins'],['dummy', 'wrong_plugin_name'])
+            Plugin.start(['/home/helene/lodel2/plugins', '/home/helene/lodel2/tests/tests_plugins'],['dummy', 'wrong_plugin_name'])
         Plugin.clear()
     
     def test_plugin_started(self):
             Plugin.started()
             
     def test_plugin_plugin_path(self):
-        Plugin.start(['/home/helene/lodel2/plugins'],['dummy'])
+        Plugin.start(['/home/helene/lodel2/plugins', '/home/helene/lodel2/tests/tests_plugins'],['dummy'])
         self.assertEqual(Plugin.plugin_path('dummy'), '/home/helene/lodel2/plugins/dummy/')
         Plugin.clear()
         
     def test_plugin_get(self):
-        Plugin.start(['/home/helene/lodel2/plugins'],['dummy'])
+        Plugin.start(['/home/helene/lodel2/plugins', '/home/helene/lodel2/tests/tests_plugins'],['dummy'])
         with self.assertRaises(PluginError):
             Plugin.get('wrong_plugin_name')
         self.assertTrue(isinstance(Plugin.get('dummy'), Plugin))
         Plugin.clear()
         
     def test_plugin_load_all(self):
+        #Plugin.start(['/home/helene/lodel2/plugins'],['dummynotactivable'])
+        #Plugin.load_all()
         pass