Add predictable merge requests on dev seed.

db/fixtures/development/10_merge_requests.rb

@@ -20,4 +20,22 @@ Gitlab::Seeder.quiet do
       print '.'
     end
   end
+
+  project = Project.find_with_namespace('gitlab-org/testme')
+
+  params = {
+    source_branch: 'feature',
+    target_branch: 'master',
+    title: 'Can be automatically merged'
+  }
+  MergeRequests::CreateService.new(project, User.admins.first, params).execute
+  print '.'
+
+  params = {
+    source_branch: 'feature_conflict',
+    target_branch: 'feature',
+    title: 'Cannot be automatically merged'
+  }
+  MergeRequests::CreateService.new(project, User.admins.first, params).execute
+  print '.'
 end