Committing patch #591250 which provides "str1 in str2" when str1 is a
string of longer than 1 character.
diff --git a/Lib/test/test_userstring.py b/Lib/test/test_userstring.py
index 78af807..5492f2e 100755
--- a/Lib/test/test_userstring.py
+++ b/Lib/test/test_userstring.py
@@ -41,3 +41,4 @@
         print (methodname, input, output, args, res[0], res[1], res[2])
 
 string_tests.run_method_tests(test)
+string_tests.run_contains_tests(test)