chore: add debug logging

Author: t-unit

integration_test/binary_models/binary_models_test/analysis_options.yaml

@@ -1 +1,5 @@
 include: package:very_good_analysis/analysis_options.yaml
+
+linter:
+  rules:
+    avoid_print: false

integration_test/binary_models/binary_models_test/test/test_helper.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:convert';
 import 'dart:io';
 
 import 'package:path/path.dart' as path;
@@ -36,6 +37,13 @@ class ImposterServer {
       ],
     );
 
+    _process!.stdout.transform(const Utf8Decoder()).listen((data) {
+      print('Imposter stdout: $data');
+    });
+    _process!.stderr.transform(const Utf8Decoder()).listen((data) {
+      print('Imposter stderr: $data');
+    });
+
     // Wait for server to be ready
     await _waitForServer();
   }