Fix block exporter port collisions in local net tests

block_exporter_port (+3000) collided with proxy_metrics_port (+3000)
and block_exporter_metrics_port (+4000) collided with proxy_public_port (+4000).

Author: deuszx

linera-service/src/cli_wrappers/local_net.rs

@@ -507,7 +507,7 @@ impl LocalNet {
     }
 
     fn block_exporter_port(&self, validator: usize, exporter_id: usize) -> usize {
-        test_offset_port() + 3000 + validator * self.num_shards + exporter_id + 1
+        test_offset_port() + 5000 + validator * self.num_shards + exporter_id + 1
     }
 
     pub fn proxy_public_port(&self, validator: usize, proxy_id: usize) -> usize {
@@ -519,7 +519,7 @@ impl LocalNet {
     }
 
     fn block_exporter_metrics_port(&self, validator: usize, exporter_id: usize) -> usize {
-        test_offset_port() + 4000 + validator * self.num_shards + exporter_id + 1
+        test_offset_port() + 6000 + validator * self.num_shards + exporter_id + 1
     }
 
     fn configuration_string(&self, server_number: usize) -> Result<String> {

linera-service/src/exporter/tests.rs

@@ -49,7 +49,7 @@ async fn test_linera_exporter(database: Database, network: Network) -> Result<()
             port: 0,
         },
         limits: LimitsConfig::default(),
-        metrics_port: 1234,
+        metrics_port: 0,
     };
 
     let config = LocalNetConfig {