From 9e6f9bc7732ec4eb7e67121ab209eae6293f9097 Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Fri, 5 Apr 2019 00:31:41 +0900
Subject: [PATCH] Fix rubocop offence for `Style/FrozenStringLiteralComment`

```
% be rubocop -a
Inspecting 2777 files
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................C..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

Offenses:

tools/test_common.rb:1:1: C: [Corrected] Style/FrozenStringLiteralComment: Missing magic comment # frozen_string_literal: true.
if ENV["BUILDKITE"]
^

2777 files inspected, 1 offense detected, 1 offense corrected
```
---
 tools/test_common.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/test_common.rb b/tools/test_common.rb
index 7f59caf644..9959f55ded 100644
--- a/tools/test_common.rb
+++ b/tools/test_common.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if ENV["BUILDKITE"]
   require "minitest/reporters"
   require "fileutils"