add file to easily require all the fixtures for CDC tests

Change-Id: Ib882cced423b8696b32a0eba3c5fcde5fea78cc7
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/277612
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Jeremy Stanley <jeremy@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>

lib/cdc_migration_testing/fixtures.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+#
+# Copyright (C) 2020 - present Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+Dir.glob(File.join(__dir__, "fixtures/**/*.rb")).sort.each do |file|
+  require_relative file
+end