diff --git a/integration-tests/fault-injection/harness/mongo.go b/integration-tests/fault-injection/harness/mongo.go
index 1eb5d786..fa47b063 100644
--- a/integration-tests/fault-injection/harness/mongo.go
+++ b/integration-tests/fault-injection/harness/mongo.go
@@ -131,7 +131,12 @@ func (server *MongoServer) Client() *mongo.Client {
 
 	err = client.Ping(ctx, readpref.Primary())
 	if err != nil {
-		panic("Error pinging Mongo")
+		panic("Error pinging primary Mongo for read")
+	}
+
+	err = client.Ping(ctx, readpref.Secondary())
+	if err != nil {
+		panic("Error pinging secondary Mongo for read")
 	}
 
 	return client