diff --git a/tests/data_files/test-ca-alt.csr b/tests/data_files/test-ca-alt.csr
new file mode 100644
index 0000000..898c9e6
--- /dev/null
+++ b/tests/data_files/test-ca-alt.csr
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIICgDCCAWgCAQAwOzELMAkGA1UEBhMCTkwxETAPBgNVBAoMCFBvbGFyU1NMMRkw
+FwYDVQQDDBBQb2xhclNTTCBUZXN0IENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A
+MIIBCgKCAQEAtnK4qxQhSmuSeMseIAvvz3tpJCKaE/0hL83n8SfLIjyZdl0FQ61B
+XpzQvFM8PO/92e7Vt7iynm5+fvkBFWA7c+RwFn3JNcMGpxhS+p6B8O6oEOWpOhzK
+IqTwoQ+2emymwUYMdiFSqCG2l4dEJieKpWmHPayhmWh/b5rOacD8A05UKp5vlXpx
+uk4RWo1i3i/zJb3BneKSxwFoy+kthNL1OVkEeq3r+x3vaXbQ/7yzt9Jzjyeibg6f
+tYAeVCJtfoz/VsPDrEFSRxsqe9vXbyLxInIKfDUjQVAbQWR6UlSTPgT5cyqVyFW4
+iO6VNNat8btJpXr3lMy9LRNJ/WE+biHHpwIDAQABoAAwDQYJKoZIhvcNAQELBQAD
+ggEBAGHWUwqKMe+XwZ44u+1RKsH3jCXmxkBW4rwJwqtkrW8dzjCqFGmQoJeFivOA
+o0TPchkpQXGUNssFPbXZZsq7OBt1hPkH7wMxknztu+D4F9wJ2Oxpy8x44WeUr3pI
+rnl/VivUaywiIPMwR3W+7IIFTmzKfcSYf0l6uv4/A8BiSvtI4U9InfSvU+ENHuNH
+rb0ynhYEqy9NHA2exD0A/gQb40CAHtJL+sTVTRgxOx8xT8K8WAQufk0HSB6iel6M
+I+6VLnVjGJ5P/t6zPI4jcLzyg4V9DS282a/SadRFGc0uwPWxJW906BO5g6PNMaA8
+BdcuWaWwa2KQ/LuUCmumy+fC68E=
+-----END CERTIFICATE REQUEST-----