Added a test and fix for nose compatible setup/teardown functions that are partials, and so errors are not ignored

--HG--
branch : trunk

py/_plugin/pytest_nose.py

@@ -90,9 +90,8 @@ def pytest_make_collect_report(collector):
 
 def call_optional(obj, name):
     method = getattr(obj, name, None)
-    if method:
-        ismethod = inspect.ismethod(method)
-        rawcode = py.code.getrawcode(method)
-        if not rawcode.co_varnames[ismethod:rawcode.co_argcount]:
-            method()
-            return True
+    if method and callable(method):
+        # If there's any problems allow the exception to raise rather than
+        # silently ignoring them
+        method()
+        return True