Revise tests. Use docker-compose.yml where possible

test/docker_tests/configurations/mount-tests/docker-compose.mount-test.run_mounted.yml

@@ -1,3 +1,7 @@
+# Expected outcome: Container starts successfully with proper run mount
+# - NETALERTX_RUN shows as mounted and writable
+# - No mount warnings since run directory can be non-persistent
+# - Container starts normally with runtime files enabled
 services:
   netalertx:
     network_mode: host