Enable frozen string for spec/lib/gitlab/legacy_github_import

spec/lib/gitlab/legacy_github_import/branch_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::BranchFormatter do

spec/lib/gitlab/legacy_github_import/client_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::Client do

spec/lib/gitlab/legacy_github_import/comment_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::CommentFormatter do

spec/lib/gitlab/legacy_github_import/importer_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::Importer do

spec/lib/gitlab/legacy_github_import/issuable_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::IssuableFormatter do

spec/lib/gitlab/legacy_github_import/issue_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::IssueFormatter do

spec/lib/gitlab/legacy_github_import/label_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::LabelFormatter do

spec/lib/gitlab/legacy_github_import/milestone_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::MilestoneFormatter do

spec/lib/gitlab/legacy_github_import/project_creator_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::ProjectCreator do

spec/lib/gitlab/legacy_github_import/pull_request_formatter_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::LegacyGithubImport::PullRequestFormatter do