testing: Error messages of curl plugin have changed

testing/tests/ikev2/ocsp-timeouts-unknown/evaltest.dat

@@ -1,4 +1,4 @@
-moon:: cat /var/log/daemon.log::libcurl http request failed::YES
+moon:: cat /var/log/daemon.log::libcurl request failed::YES
 moon:: cat /var/log/daemon.log::certificate status is not available::YES
 moon:: cat /var/log/daemon.log::constraint check failed::YES
 carol::cat /var/log/daemon.log::received AUTHENTICATION_FAILED::YES