milestone 20: declarative configuration for iac

src/server/phase7_integration_test.zig

@@ -965,10 +965,12 @@ test "S7 case 11: the app boots, serves a query and exits zero on shutdown" {
     shutdown.reset();
     defer shutdown.reset();
 
-    var future = try test_io.concurrent(app.run, .{ runner, cli.RunArgs{ .paths = .{
-        .data_dir = root,
+    // `--config` present: the file is authority and the database is converged
+    // onto it before the listeners bind (milestone-20 ruling 1).
+    var future = try test_io.concurrent(app.run, .{ runner, cli.RunArgs{
+        .paths = .{ .data_dir = root },
         .config = config_path,
-    } } });
+    } });
 
     const client_address: net.IpAddress = try .parse("127.0.0.1", 0);
     const client = try client_address.bind(test_io, .{ .mode = .dgram });