test_httpservers has unpredictable refcount behavior.
diff --git a/Misc/build.sh b/Misc/build.sh
index dd4c2ef..fd0e337 100755
--- a/Misc/build.sh
+++ b/Misc/build.sh
@@ -67,7 +67,7 @@
# Note: test_XXX (none currently) really leak, but are disabled
# so we don't send spam. Any test which really leaks should only
# be listed here if there are also test cases under Lib/test/leakers.
-LEAKY_TESTS="test_(asynchat|cmd_line|popen2|socket|smtplib|sys|threadsignals|urllib2_localnet)"
+LEAKY_TESTS="test_(asynchat|cmd_line|popen2|socket|smtplib|sys|threadsignals|urllib2_localnet|httpservers)"
# Skip these tests altogether when looking for leaks. These tests
# do not need to be stored above in LEAKY_TESTS too.