Force NSS to ignore crypto policies on F25+

This is a temporary workaround for BZ#1426267.

Author: mrc0mmand

gnutls/Interoperability/TLSv1-2-with-NSS/runtest.sh

@@ -38,6 +38,12 @@ CLIENT_UTIL="/usr/lib/nss/unsupported-tools/tstclnt"
 [ -f /usr/lib64/nss/unsupported-tools/selfserv ] && SERVER_UTIL="/usr/lib64/nss/unsupported-tools/selfserv"
 [ -f /usr/lib64/nss/unsupported-tools/tstclnt ] && CLIENT_UTIL="/usr/lib64/nss/unsupported-tools/tstclnt"
 
+# Force NSS to ignore crypto policies
+# Temporary workaround for BZ#1426267
+if rlIsFedora ">=25"; then
+    export NSS_IGNORE_SYSTEM_POLICY=1
+fi
+
 rlJournalStart
     rlPhaseStartSetup
         rlAssertRpm --all