Correctly move email package tests to Lib/test.

Author: bitdancer

Lib/email/test/__init__.py

@@ -0,0 +1,13 @@
+import os
+import sys
+import unittest
+import test.support
+
+# used by regrtest and __main__.
+def test_main():
+    here = os.path.dirname(__file__)
+    # Unittest mucks with the path, so we have to save and restore
+    # it to keep regrtest happy.
+    savepath = sys.path[:]
+    test.support._run_suite(unittest.defaultTestLoader.discover(here))
+    sys.path[:] = savepath