Add test to ignore dot-files (#2983)

* Add test to ignore dot-files

* Add test to check dot-files are not included in while publishing
diff --git a/test/lish/does_not_include_dot_file.dart b/test/lish/does_not_include_dot_file.dart
new file mode 100644
index 0000000..91b9245
--- /dev/null
+++ b/test/lish/does_not_include_dot_file.dart
@@ -0,0 +1,52 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:shelf/shelf.dart' as shelf;
+import 'package:test/test.dart';
+
+import 'package:pub/src/exit_codes.dart' as exit_codes;
+import 'package:test_descriptor/test_descriptor.dart' as td;
+
+import '../descriptor.dart' as d;
+import '../test_pub.dart';
+import 'utils.dart';
+
+/// Describes a package with dot-files in tree.
+td.DirectoryDescriptor get validPackageWithDotFiles => d.dir(appPath, [
+      d.libPubspec('test_pkg', '1.0.0', sdk: '>=1.8.0 <=2.0.0'),
+      td.dir('.dart_tool', [td.file('package_config.json')]),
+      td.dir('.github', [td.file('ignored.yml')]),
+      td.file('.gitignore'),
+      td.file('LICENSE', 'Eh, do what you want.'),
+      td.file('README.md', "This package isn't real."),
+      td.file('CHANGELOG.md', '# 1.0.0\nFirst version\n'),
+      td.dir('lib', [td.file('test_pkg.dart', 'int i = 1;')])
+    ]);
+
+void main() {
+  setUp(validPackageWithDotFiles.create);
+
+  test('Check if package doesn\'t include dot-files', () async {
+    await servePackages();
+    await d.credentialsFile(globalPackageServer, 'access token').create();
+    var pub = await startPublish(globalPackageServer);
+
+    await confirmPublish(pub);
+    handleUploadForm(globalPackageServer);
+    handleUpload(globalPackageServer);
+
+    globalPackageServer.expect('GET', '/create', (request) {
+      return shelf.Response.ok(jsonEncode({
+        'success': {'message': 'Package test_pkg 1.0.0 uploaded!'}
+      }));
+    });
+
+    expect(pub.stdout, emits('test_pkg.dart'));
+    expect(pub.stdout, neverEmits('.dart_tool'));
+    expect(pub.stdout, neverEmits('.github'));
+    await pub.shouldExit(exit_codes.SUCCESS);
+  });
+}