Merge branch 'alberts-remove-all-test-cases-instance-var' into 'master'

Remove unused instance variable

See merge request gitlab-org/gitlab!83935

lib/gitlab/ci/reports/test_suite.rb

@@ -12,7 +12,6 @@ module Gitlab
         def initialize(name = nil)
           @name = name
           @test_cases = {}
-          @all_test_cases = []
           @total_time = 0.0
         end