acctest: update nexus config

Author: sudomateo

acctest/nexus-config.toml

@@ -101,6 +101,9 @@ bfd_manager.period_secs = 30
 # How frequently to collect hardware/software inventory from the whole system
 # (even if we don't have reason to believe anything has changed).
 inventory.period_secs = 600
+# How frequently to check for a new inventory collection (made by any Nexus).
+# This is cheap, so we should check frequently.
+inventory.period_secs_load = 15
 # Maximum number of past collections to keep in the database
 inventory.nkeep = 5
 # Disable inventory collection altogether (for emergencies)