Add a __main__.py to test_email so it works with -m like it did before move.

diff --git a/Lib/test/test_email/__main__.py b/Lib/test/test_email/__main__.py
new file mode 100644 (file)
index 0000000..98af9ec
--- /dev/null
+++ b/Lib/test/test_email/__main__.py
@@ -0,0 +1,3 @@
+from test.test_email import test_main
+
+test_main()