Repository: flutter/flutter
File: packages/flutter_tools/test/commands.shard/hermetic/build_ipa_test.dart (Dart)

Code before:
import 'package:flutter_tools/src/base/platform.dart';
import 'package:flutter_tools/src/base/version.dart';
import 'package:flutter_tools/src/build_system/build_system.dart';
import 'package:flutter_tools/src/cache.dart';
import 'package:flutter_tools/src/commands/build.dart';
import 'package:flutter_tools/src/commands/build_ios.dart';
import 'package:flutter_tools/src/dart/pub.dart';
import 'package:flutter_tools/src/ios/plist_parser.dart';
import 'package:flutter_tools/src/ios/xcodeproj.dart';
import 'package:test/fake.dart';
import 'package:unified_analytics/unified_analytics.dart';

import '../../general.shard/ios/xcresult_test_data.dart';
import '../../src/common.dart';
import '../../src/context.dart';
import '../../src/fake_process_manager.dart';
import '../../src/fakes.dart';
import '../../src/package_config.dart';
import '../../src/test_build_system.dart';
import '../../src/test_flutter_command_runner.dart';
import '../../src/throwing_pub.dart';

class FakeXcodeProjectInterpreterWithBuildSettings extends FakeXcodeProjectInterpreter {
  FakeXcodeProjectInterpreterWithBuildSettings({Map<String, String>? overrides, Version? version})
    : _overrides = overrides ?? const <String, String>{},
      version = version ?? Version(16, 0, 0);

  final Map<String, String> _overrides;
  Map<String, String> get overrides => _overrides;
  @override
  Future<Map<String, String>> getBuildSettings(
    String projectPath, {
    XcodeProjectBuildContext? buildContext,
    Duration timeout = const Duration(minutes: 1),
  }) async {
    return <String, String>{
      'PRODUCT_BUNDLE_IDENTIFIER': 'io.flutter.someProject',
      'DEVELOPMENT_TEAM': 'abc',
      ...overrides,
    };
  }

  @override
  final Version version;
}

final Platform macosPlatform = FakePlatform(
  operatingSystem: 'macos',
  environment: <String, String>{'FLUTTER_ROOT': '/', 'HOME': '/'},
);
final Platform notMacosPlatform = FakePlatform(environment: <String, String>{'FLUTTER_ROOT': '/'});

Review comment (suggestion):
```suggestion
      version = version ?? Version(15, 0, 0);
```

Code after:
import 'package:flutter_tools/src/base/platform.dart';
import 'package:flutter_tools/src/base/version.dart';
import 'package:flutter_tools/src/build_system/build_system.dart';
import 'package:flutter_tools/src/cache.dart';
import 'package:flutter_tools/src/commands/build.dart';
import 'package:flutter_tools/src/commands/build_ios.dart';
import 'package:flutter_tools/src/dart/pub.dart';
import 'package:flutter_tools/src/ios/plist_parser.dart';
import 'package:flutter_tools/src/ios/xcodeproj.dart';
import 'package:test/fake.dart';
import 'package:unified_analytics/unified_analytics.dart';

import '../../general.shard/ios/xcresult_test_data.dart';
import '../../src/common.dart';
import '../../src/context.dart';
import '../../src/fake_process_manager.dart';
import '../../src/fakes.dart';
import '../../src/package_config.dart';
import '../../src/test_build_system.dart';
import '../../src/test_flutter_command_runner.dart';
import '../../src/throwing_pub.dart';

class FakeXcodeProjectInterpreterWithBuildSettings extends FakeXcodeProjectInterpreter {
  FakeXcodeProjectInterpreterWithBuildSettings({Map<String, String>? overrides, Version? version})
    : _overrides = overrides ?? const <String, String>{},
      version = version ?? Version(15, 0, 0);

  final Map<String, String> _overrides;
  Map<String, String> get overrides => _overrides;
  @override
  Future<Map<String, String>> getBuildSettings(
    String projectPath, {
    XcodeProjectBuildContext? buildContext,
    Duration timeout = const Duration(minutes: 1),
  }) async {
    return <String, String>{
      'PRODUCT_BUNDLE_IDENTIFIER': 'io.flutter.someProject',
      'DEVELOPMENT_TEAM': 'abc',
      ...overrides,
    };
  }

  @override
  final Version version;
}

final Platform macosPlatform = FakePlatform(
  operatingSystem: 'macos',
  environment: <String, String>{'FLUTTER_ROOT': '/', 'HOME': '/'},
);
final Platform notMacosPlatform = FakePlatform(environment: <String, String>{'FLUTTER_ROOT': '/'});