The fixtures for reports, logs and messages cause problems under Rails 4.2 as they are associated to fixture hosts which no longer exist (since #7733). Since their hosts were removed, the reports should also be removed and tests should use FactoryGirl instead.

On 4.2, functional and integration tests for config reports fail when rendering links to report.host, which is always nil (and for normal use we have a presence check on host_id):

  1) Error:
ConfigReportsControllerTest#test_index:
ActionView::Template::Error: undefined method `name' for nil:NilClass
    app/models/report.rb:56:in `to_label'
    app/helpers/application_helper.rb:31:in `link_to'
    app/helpers/application_helper.rb:176:in `display_link_if_authorized'
    app/helpers/application_helper.rb:166:in `display_delete_if_authorized'
    app/views/config_reports/_list.html.erb:35:in `block in _app_views_config_reports__list_html_erb___4177766395673083355_151768240'
    app/views/config_reports/_list.html.erb:18:in `_app_views_config_reports__list_html_erb___4177766395673083355_151768240'
    app/views/config_reports/index.html.erb:3:in `_app_views_config_reports_index_html_erb__4196656909700471881_151739580'
    app/controllers/concerns/application_shared.rb:13:in `set_timezone'
    app/models/concerns/foreman/thread_session.rb:32:in `clear_thread'
    test/functional/config_reports_controller_test.rb:8:in `test_index'