Refactor how net/data/verify_certificate_chain_unittest/*

net/data/verify_certificate_chain_unittest/basic-constraints-pathlen-0-self-issued/generate-chains.py

Index: net/data/verify_certificate_chain_unittest/basic-constraints-pathlen-0-self-issued/generate-chains.py
diff --git a/net/data/verify_certificate_chain_unittest/generate-basic-constraints-pathlen-0-self-issued.py b/net/data/verify_certificate_chain_unittest/basic-constraints-pathlen-0-self-issued/generate-chains.py
similarity index 79%
rename from net/data/verify_certificate_chain_unittest/generate-basic-constraints-pathlen-0-self-issued.py
rename to net/data/verify_certificate_chain_unittest/basic-constraints-pathlen-0-self-issued/generate-chains.py
index 9db4ffec29c285798e03c8d673cd2bd40f7f595f..46b6b843f7899b0ffff207fa1250540a9841f96c 100755
--- a/net/data/verify_certificate_chain_unittest/generate-basic-constraints-pathlen-0-self-issued.py
+++ b/net/data/verify_certificate_chain_unittest/basic-constraints-pathlen-0-self-issued/generate-chains.py
@@ -7,6 +7,9 @@
 constraints path length of 0. The second one is self-issued so does not count
 against the path length."""
 
+import sys
+sys.path += ['..']
+
 import common
 
 # Self-signed root certificate (used as trust anchor).
@@ -27,12 +30,5 @@ intermediate2.get_extensions().set_property('basicConstraints',
 # Target certificate.
 target = common.create_end_entity_certificate('Target', intermediate2)
 
-chain = [target, intermediate2, intermediate1]
-trusted = common.TrustAnchor(root, constrained=False)
-time = common.DEFAULT_TIME
-key_purpose = common.DEFAULT_KEY_PURPOSE
-verify_result = True
-errors = None
-
-common.write_test_file(__doc__, chain, trusted, time, key_purpose,
-                       verify_result, errors)
+chain = [target, intermediate2, intermediate1, root]
+common.write_chain(__doc__, chain, 'chain.pem')