Delete the .netrc file created during a QA test

So that subsequent tests don't try to use the logins added in that test

qa/qa/git/repository.rb

@@ -213,6 +213,10 @@ module QA
         run("cat #{file}").to_s
       end
 
+      def delete_netrc
+        File.delete(netrc_file_path) if File.exist?(netrc_file_path)
+      end
+
       private
 
       attr_reader :uri, :username, :password, :known_hosts_file,

qa/qa/specs/features/api/3_create/repository/project_archive_compare_spec.rb

@@ -28,6 +28,13 @@ module QA
         end
       end
 
+      after do
+        # Delete the .netrc file created during this test so that subsequent tests don't try to use the logins
+        Git::Repository.perform do |repository|
+          repository.delete_netrc
+        end
+      end
+
       it 'download archives of each user project then check they are different', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/427' do
         archive_checksums = {}