Revert "Remove unused test data files"

This reverts commit ef24980e667debd0cb8f1f26218c452bacbbe084.
diff --git a/tests/data_files/server5.req.sha384 b/tests/data_files/server5.req.sha384
new file mode 100644
index 0000000..87556c6
--- /dev/null
+++ b/tests/data_files/server5.req.sha384
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+Zb5NRV0c06Q5AiAo5B49tp3kDN/n0BDNt1BBGLUfhcU+Qn2SQenCyfuGLg==
+-----END CERTIFICATE REQUEST-----