Intermittent broken master in ee/spec/models/gitlab_subscription_spec.rb

Spotted here: https://gitlab.com/gitlab-org/gitlab-ee/-/jobs/200509560

Failures:

  1) GitlabSubscription default values should eq Tue, 23 Apr 2019
     Failure/Error: expect(subject.start_date).to eq(Date.today)

       expected: Tue, 23 Apr 2019
            got: Mon, 22 Apr 2019

       (compared using ==)

       Diff:
       @@ -1,2 +1,2 @@
       -Tue, 23 Apr 2019
       +Mon, 22 Apr 2019
     # ./ee/spec/models/gitlab_subscription_spec.rb:6:in `block (3 levels) in <top (required)>'

Finished in 17 minutes 7 seconds (files took 17.29 seconds to load)
1190 examples, 1 failure

Failed examples:

At a guess, the spec just doesn't expect the date to change while it's running.