[ckan#3391] simplify test class filtering

ckan/ckan_nose_plugin.py

@@ -83,18 +83,10 @@ def options(self, parser, env):
             help='drop database and reinitialize before tests are run')
 
     def wantClass(self, cls):
-        name = cls.__name__
-
-        wanted = (not cls.__name__.startswith('_')
-                  and (issubclass(cls, unittest.TestCase)
-                       or re.search('(?:^|[\b_\./-])[Tt]est', name)
-                      ))
-
-        if self.segments and str(hashlib.md5(name).hexdigest())[0] not in self.segments:
+        if self.segments and str(hashlib.md5(
+                cls.__name__).hexdigest())[0] not in self.segments:
             return False
 
-        return wanted
-
     def wantFunction(self, fn):
         if self.segments and hashlib.md5(
                 fn.__name__).hexdigest()[0] not in self.segments: