Refactor how net/data/verify_certificate_chain_unittest/*

net/data/verify_certificate_chain_unittest/violates-pathlen-1-constrained-root/generate-chains.py

Index: net/data/verify_certificate_chain_unittest/violates-pathlen-1-constrained-root/generate-chains.py
diff --git a/net/data/verify_certificate_chain_unittest/generate-violates-pathlen-1-constrained-root.py b/net/data/verify_certificate_chain_unittest/violates-pathlen-1-constrained-root/generate-chains.py
similarity index 72%
rename from net/data/verify_certificate_chain_unittest/generate-violates-pathlen-1-constrained-root.py
rename to net/data/verify_certificate_chain_unittest/violates-pathlen-1-constrained-root/generate-chains.py
index ac8ed03c599835350d59605834484f080ae400c1..8f1e467ee30152417720e85f32ec83dfcb7b32da 100755
--- a/net/data/verify_certificate_chain_unittest/generate-violates-pathlen-1-constrained-root.py
+++ b/net/data/verify_certificate_chain_unittest/violates-pathlen-1-constrained-root/generate-chains.py
@@ -7,6 +7,9 @@
 root certificate has a pathlen:1 restriction, and constraints are enforced
 on this trust anchor making it an invalid chain."""
 
+import sys
+sys.path += ['..']
+
 import common
 
 # Self-signed root certificate (used as trust anchor).
@@ -24,15 +27,5 @@ intermediate2 = common.create_intermediate_certificate('Intermediate2',
 # Target certificate.
 target = common.create_end_entity_certificate('Target', intermediate2)
 
-chain = [target, intermediate2, intermediate1]
-trusted = common.TrustAnchor(root, constrained=True)
-time = common.DEFAULT_TIME
-key_purpose = common.DEFAULT_KEY_PURPOSE
-verify_result = False
-errors = """----- Certificate i=1 (CN=Intermediate2) -----
-ERROR: max_path_length reached
-
-"""
-
-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')