Constants in specs

spec/lib/gitlab/workhorse_spec.rb

@@ -63,7 +63,7 @@ describe Gitlab::Workhorse, lib: true do
   end
 
   describe '#verify_api_request!' do
-    let(:header_key) { described_class.const_get('INTERNAL_API_REQUEST_HEADER') }
+    let(:header_key) { described_class::INTERNAL_API_REQUEST_HEADER }
     let(:payload) { { 'iss' => 'gitlab-workhorse' } }
 
     it 'accepts a correct header' do

spec/requests/ci/api/builds_spec.rb

@@ -253,7 +253,7 @@ describe Ci::API::API do
           end
 
           it "reject requests that did not go through gitlab-workhorse" do
-            headers.delete('Gitlab-Workhorse-Api-Request')
+            headers.delete(Gitlab::Workhorse::INTERNAL_API_REQUEST_HEADER)
             post authorize_url, { token: build.token }, headers
             expect(response).to have_http_status(500)
           end