Enable frozen string for spec/lib/gitlab/graphs

Partially addresses: https://gitlab.com/gitlab-org/gitlab/issues/27703

Enable frozen string for spec/lib/gitlab/graphs
Partially addresses: https://gitlab.com/gitlab-org/gitlab/issues/27703
21bf2f1f · gfyoung · 14eb7a47 · 21bf2f1f
Commit 21bf2f1f authored Nov 19, 2019 by gfyoung
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spec/lib/gitlab/graphs/commits_spec.rb spec/lib/gitlab/graphs/commits_spec.rb +2 -0

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--- a/spec/lib/gitlab/graphs/commits_spec.rb
+++ b/spec/lib/gitlab/graphs/commits_spec.rb
+# frozen_string_literal: true
+
 require 'spec_helper'

 describe Gitlab::Graphs::Commits do