Fix test

Author: bkonyi

webdev/lib/src/pubspec.dart

@@ -188,7 +188,7 @@ Future<List<PackageExceptionDetails>> _validateBuildDaemonVersion(
 }
 
 final buildRunnerConstraint = VersionConstraint.parse('^2.4.0');
-final buildWebCompilersConstraint = VersionConstraint.parse('^4.0.4');
+final buildWebCompilersConstraint = VersionConstraint.parse('^4.4.1');
 
 // Note the minimum versions should never be dev versions as users will not
 // get them by default.

webdev/test/integration_test.dart

@@ -297,7 +297,7 @@ dependencies:
 }
 
 const _supportedBuildRunnerVersion = '2.4.0';
-const _supportedWebCompilersVersion = '4.0.4';
+const _supportedWebCompilersVersion = '4.4.1';
 const _supportedBuildDaemonVersion = '4.0.0';
 
 String _pubspecYaml = '''