Refactor how net/data/verify_certificate_chain_unittest/*

net/data/verify_certificate_chain_unittest/generate-serverauth-rsa-ku-keyencipherment.py

Index: net/data/verify_certificate_chain_unittest/generate-serverauth-rsa-ku-keyencipherment.py
diff --git a/net/data/verify_certificate_chain_unittest/generate-serverauth-rsa-ku-keyencipherment.py b/net/data/verify_certificate_chain_unittest/generate-serverauth-rsa-ku-keyencipherment.py
deleted file mode 100755
index d450ce9b94cadf9fdebae3d343f56aa8f570efc5..0000000000000000000000000000000000000000
--- a/net/data/verify_certificate_chain_unittest/generate-serverauth-rsa-ku-keyencipherment.py
+++ /dev/null
@@ -1,33 +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, a trusted root, and a target
-certificate for serverAuth that has only keyEncipherment."""
-
-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)
-
-# Target certificate.
-target = common.create_end_entity_certificate('Target', intermediate)
-target.set_key(common.get_or_generate_rsa_key(
-    2048, common.create_key_path(target.name)))
-target.get_extensions().set_property('extendedKeyUsage', 'serverAuth')
-target.get_extensions().set_property('keyUsage', 'critical,keyEncipherment')
-
-
-chain = [target, intermediate]
-trusted = common.TrustAnchor(root, constrained=False)
-time = common.DEFAULT_TIME
-key_purpose = common.KEY_PURPOSE_SERVER_AUTH
-verify_result = True
-errors = None
-
-common.write_test_file(__doc__, chain, trusted, time, key_purpose,
-                       verify_result, errors)