diff --git a/pkg/alerts/muting_rules_test.go b/pkg/alerts/muting_rules_test.go
index 2af85db7..693e7de0 100644
--- a/pkg/alerts/muting_rules_test.go
+++ b/pkg/alerts/muting_rules_test.go
@@ -119,7 +119,7 @@ var (
 							"id": 1,
 							"name": "Test User"
 						},
-						"actionOnMutingRuleWindowEnded": "CLOSE_ISSUES_ON_INACTIVE",
+						"actionOnMutingRuleWindowEnded": "CLOSE_ISSUES_ON_INACTIVE"
 					}
 				}
 			}
@@ -171,7 +171,7 @@ var (
 				"id": 1,
 				"name": "Test User"
 			},
-			"actionOnMutingRuleWindowEnded": "CLOSE_ISSUES_ON_INACTIVE",
+			"actionOnMutingRuleWindowEnded": "CLOSE_ISSUES_ON_INACTIVE"
 		}
 	}`
 
@@ -186,7 +186,7 @@ var (
 				"repeatCount": null,
 				"weeklyRepeatDays": null
 			},
-			"actionOnMutingRuleWindowEnded": "DO_NOTHING",
+			"actionOnMutingRuleWindowEnded": "DO_NOTHING"
 		}
 	}`