Refactor how net/data/verify_certificate_chain_unittest/*

net/data/verify_certificate_chain_unittest/unconstrained-root-lacks-basic-constraints/generate-chains.py

Index: net/data/verify_certificate_chain_unittest/unconstrained-root-lacks-basic-constraints/generate-chains.py
diff --git a/net/data/verify_certificate_chain_unittest/generate-unconstrained-root-lacks-basic-constraints.py b/net/data/verify_certificate_chain_unittest/unconstrained-root-lacks-basic-constraints/generate-chains.py
similarity index 70%
rename from net/data/verify_certificate_chain_unittest/generate-unconstrained-root-lacks-basic-constraints.py
rename to net/data/verify_certificate_chain_unittest/unconstrained-root-lacks-basic-constraints/generate-chains.py
index 68a49419f7b119a1eabaa00b1d342aa26f5308bf..268cc1e2f3ee450e1b3c8f05861b1c7b3fd8d6f7 100755
--- a/net/data/verify_certificate_chain_unittest/generate-unconstrained-root-lacks-basic-constraints.py
+++ b/net/data/verify_certificate_chain_unittest/unconstrained-root-lacks-basic-constraints/generate-chains.py
@@ -7,6 +7,9 @@
 lacks the basic constraints extension. This is not a problem and verification
 should succeed."""
 
+import sys
+sys.path += ['..']
+
 import common
 
 # Self-signed root certificate (used as trust anchor).
@@ -19,12 +22,5 @@ intermediate = common.create_intermediate_certificate('Intermediate', root)
 # Target certificate.
 target = common.create_end_entity_certificate('Target', intermediate)
 
-chain = [target, intermediate]
-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, intermediate, root]
+common.write_chain(__doc__, chain, 'chain.pem')