diff -r 58c519e5a31f -r b2530e3e0afb server/test/unittest_hookhelper.py
--- a/server/test/unittest_hookhelper.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/server/test/unittest_hookhelper.py	Tue Aug 11 17:13:32 2009 +0200
@@ -8,18 +8,28 @@
 """
 
 from logilab.common.testlib import unittest_main
-from cubicweb.devtools.apptest import RepositoryBasedTC
+from cubicweb.devtools.testlib import CubicWebTC
 
 from cubicweb.server.pool import LateOperation, Operation, SingleLastOperation
 from cubicweb.server.hookhelper import *
+from cubicweb.server import hooks, schemahooks
 
 
-class HookHelpersTC(RepositoryBasedTC):
+def clean_session_ops(func):
+    def wrapper(self, *args, **kwargs):
+        try:
+            return func(self, *args, **kwargs)
+        finally:
+            self.session.pending_operations[:] = []
+    return wrapper
+
+class HookHelpersTC(CubicWebTC):
 
     def setUp(self):
-        RepositoryBasedTC.setUp(self)
+        CubicWebTC.setUp(self)
         self.hm = self.repo.hm
 
+    @clean_session_ops
     def test_late_operation(self):
         session = self.session
         l1 = LateOperation(session)
@@ -27,6 +37,7 @@
         l3 = Operation(session)
         self.assertEquals(session.pending_operations, [l3, l1, l2])
 
+    @clean_session_ops
     def test_single_last_operation(self):
         session = self.session
         l0 = SingleLastOperation(session)
@@ -37,8 +48,8 @@
         l4 = SingleLastOperation(session)
         self.assertEquals(session.pending_operations, [l3, l1, l2, l4])
 
+    @clean_session_ops
     def test_global_operation_order(self):
-        from cubicweb.server import hooks, schemahooks
         session = self.session
         op1 = hooks.DelayedDeleteOp(session)
         op2 = schemahooks.MemSchemaRDefDel(session)
@@ -80,10 +91,7 @@
         self.assertEquals(len(searchedops), 1,
                           self.session.pending_operations)
         self.commit()
-        searchedops = [op for op in self.session.pending_operations
-                       if isinstance(op, SendMailOp)]
-        self.assertEquals(len(searchedops), 0,
-                          self.session.pending_operations)
+        self.assertEquals([], self.session.pending_operations)
 
 if __name__ == '__main__':
     unittest_main()