Improve x509xrite_csr testing: extensions, version
diff --git a/tests/data_files/server1.v1.crt b/tests/data_files/server1.v1.crt
new file mode 100644
index 0000000..0a4b2a5
--- /dev/null
+++ b/tests/data_files/server1.v1.crt
@@ -0,0 +1,18 @@
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