CE-EE parity for pipelines development fixture

Part of https://gitlab.com/gitlab-org/gitlab-ee/issues/6567

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Verified working in CE:

== Seed from /Users/rspeicher/Code/gitlab/gdk-ce/gitlab-ce/db/fixtures/development/01_admin.rb
**************************************************
⛔️ WARNING: Sidekiq testing API enabled, but this is not the test environment.  Your jobs will not go to Redis.
**************************************************
.
OK

== Seed from /Users/rspeicher/Code/gitlab/gdk-ce/gitlab-ce/db/fixtures/development/02_application_settings.rb
Creating the default ApplicationSetting record.
Enable hashed storage for every new projects.
.
== Seed from /Users/rspeicher/Code/gitlab/gdk-ce/gitlab-ce/db/fixtures/development/03_project.rb
........
OK

== Seed from /Users/rspeicher/Code/gitlab/gdk-ce/gitlab-ce/db/fixtures/development/05_users.rb
.........................
OK

== Seed from /Users/rspeicher/Code/gitlab/gdk-ce/gitlab-ce/db/fixtures/development/14_pipelines.rb

OK