Add extra path validation tests for EKU processing

net/data/verify_certificate_chain_unittest/intermediate-restricts-eku-fail/generate-chains.py

Index: net/data/verify_certificate_chain_unittest/intermediate-restricts-eku-fail/generate-chains.py
diff --git a/net/data/verify_certificate_chain_unittest/intermediate-restricts-eku-fail/generate-chains.py b/net/data/verify_certificate_chain_unittest/intermediate-restricts-eku-fail/generate-chains.py
deleted file mode 100755
index 8f8eae75bfc5997acbd73cbf9525f67fe3e9ef77..0000000000000000000000000000000000000000
--- a/net/data/verify_certificate_chain_unittest/intermediate-restricts-eku-fail/generate-chains.py
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/python
-# Copyright (c) 2017 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Certificate chain with 1 intermediate and a trusted root. The intermediate
-restricts the EKU to clientAuth, and the target has serverAuth +
-clientAuth. Verification is expected to fail when requesting serverAuth."""
-
-import sys
-sys.path += ['..']
-
-import common
-
-# Self-signed root certificate (used as trust anchor).
-root = common.create_self_signed_root_certificate('Root')
-
-# Intermediate certificate.
-intermediate = common.create_intermediate_certificate('Intermediate', root)
-intermediate.get_extensions().set_property('extendedKeyUsage',
-                                           'clientAuth')
-
-# Target certificate.
-target = common.create_end_entity_certificate('Target', intermediate)
-target.get_extensions().set_property('extendedKeyUsage',
-                                     'serverAuth,clientAuth')
-
-chain = [target, intermediate, root]
-common.write_chain(__doc__, chain, 'chain.pem')