diff --git a/src/foolscap/test/common.py b/src/foolscap/test/common.py
index 971b317..98bac6a 100644
--- a/src/foolscap/test/common.py
+++ b/src/foolscap/test/common.py
@@ -406,60 +406,104 @@ def done(res):
 tubid_low = "3hemthez7rvgvyhjx2n5kdj7mcyar3yt"
 certData_low = \
 """-----BEGIN CERTIFICATE-----
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+y2gaNZYEqvhEQ1kh9BZf
 -----END CERTIFICATE-----
 -----BEGIN RSA PRIVATE KEY-----
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+g0mwtv2O+4UPxxpp/OlETsABvkMQJsPVwdKSLcEFvDqIer9sU16fAt4=
 -----END RSA PRIVATE KEY-----
 """
 
 tubid_high = "6cxxohyb5ysw6ftpwprbzffxrghbfopm"
 certData_high = \
 """-----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
 -----BEGIN RSA PRIVATE KEY-----
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 -----END RSA PRIVATE KEY-----
 """