Add merge request predictions fixture

Adding fixture to populate merge request suggested reviewers.

.rubocop_todo/style/class_and_module_children.yml

@@ -521,6 +521,7 @@ Style/ClassAndModuleChildren:
     - 'ee/db/fixtures/development/21_dast_profiles.rb'
     - 'ee/db/fixtures/development/30_customizable_cycle_analytics.rb'
     - 'ee/db/fixtures/development/32_compliance_report_violations.rb'
+    - 'ee/db/fixtures/development/35_merge_request_predictions.rb'
     - 'ee/db/fixtures/development/90_productivity_analytics.rb'
     - 'ee/lib/ee/gitlab/analytics/cycle_analytics/aggregated/base_query_builder.rb'
     - 'ee/lib/ee/gitlab/analytics/cycle_analytics/base_query_builder.rb'

ee/db/fixtures/development/35_merge_request_predictions.rb

+# frozen_string_literal: true
+
+class Gitlab::Seeder::MergeRequestPredictions
+  TOP_N_SUGGESTED_USERS = 5
+  VERSION = "0.0.0"
+
+  def seed!
+    MergeRequest.where.not(id: MergeRequest::Predictions.select(:merge_request_id)).find_each do |mr|
+      next if mr.predictions.present?
+
+      suggestion = {
+        "top_n": TOP_N_SUGGESTED_USERS,
+        "version": VERSION,
+        "reviewers": mr.project.team.users.sample(TOP_N_SUGGESTED_USERS).map(&:username)
+      }
+
+      mr.build_predictions
+      mr.predictions.update!(suggested_reviewers: suggestion)
+
+      print '.'
+    end
+  end
+end
+
+Gitlab::Seeder.quiet do
+  Gitlab::Seeder::MergeRequestPredictions.new.seed!
+end