czechlight-cfg-fs: add NACM rules for anonymous access

Depends-On: https://gerrit.cesnet.cz/c/CzechLight/dependencies/+/6373
Change-Id: Ifd7f4f9f4ff5d184a6459d3c98aa2602cbe53d5f
diff --git a/tests/czechlight-cfg-fs/data/v4_sdn-roadm-line_multiple_nacm_rules/xpath b/tests/czechlight-cfg-fs/data/v4_sdn-roadm-line_multiple_nacm_rules/xpath
new file mode 100644
index 0000000..8eca9fa
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v4_sdn-roadm-line_multiple_nacm_rules/xpath
@@ -0,0 +1 @@
+/ietf-netconf-acm:nacm