o Land unit test cleanup from branch.

  o Known breakage as of 2001/10/17:

    - TAL test suite is very broken (TAL is currently suppressed in
      lib/python/.testinfo).

    - AccessControl tests don't run if run first;  lib/python/.testinfo
      pushes them to the end of the queue, at which point they *do* run.
      Global side effects suck!

    - lib/python/BTrees/testBTreesUnicode.py:  weird flakiness around
      comparison of ASCII and Unicode strings;  breaks in different
      ways under Python 2.1 and 2.2.

    - lib/python/Products/PageTemplates/tests:  three tests break due
      to security asserctions.

src/BTrees/tests/framework.py

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-##############################################################################
-
-######################################################################
-# Set up unit testing framework
-#
-# The following code should be at the top of every test module:
-#
-# import os, sys
-# execfile(os.path.join(sys.path[0], 'framework.py'))
-#
-# ...and the following at the bottom:
-#
-# framework()
-
-
-# Find the Testing package
-if not sys.modules.has_key('Testing'):
-    p0 = sys.path[0]
-    if p0 and __name__ == '__main__':
-        os.chdir(p0)
-        p0 = ''
-    p = d = os.path.abspath(os.curdir)
-    while d:
-        if os.path.isdir(os.path.join(p, 'Testing')):
-            sys.path[:1] = [p0, os.pardir, p]
-            break
-        p, d = os.path.split(p)
-    else:
-        print 'Unable to locate Testing package.'
-        sys.exit(1)
-
-import Testing, unittest
-execfile(os.path.join(os.path.split(Testing.__file__)[0], 'common.py'))
-
-

src/BTrees/tests/testBTreesUnicode.py

 import os,sys,unittest
-execfile(os.path.join(sys.path[0],'framework.py'))
 from BTrees.OOBTree import OOBTree
 
 
@@ -41,5 +40,3 @@ class TestBTreesUnicode(unittest.TestCase):
 def test_suite():
     return unittest.makeSuite(TestBTreesUnicode,'test')
 
-framework()
-