adding to metrics map

Author: slorello89

redis_enterprise_prometheus/tests/support.py

@@ -120,6 +120,7 @@
         # 'rdse2.node_available_flash_no_overbooking_bytes', # MOVED TO FLASH
         'rdse2.node_available_memory_bytes',
         'rdse2.node_available_memory_no_overbooking_bytes',
+        'rdse2.node_cpu_seconds_total',
         # 'rdse2.node_bigstore_free_bytes', # MOVED TO FLASH
         'rdse2.x509_cert_expires_in_seconds',
         'rdse2.x509_exporter_build_info',