Rails 5.2 test updates

- Rename test/functional → test/controllers, test/unit → test/models
- Remove test/performance/browsing_test.rb (performance_test_help removed)
- Fix use_transactional_fixtures → use_transactional_tests
- Remove use_instantiated_fixtures (removed in Rails 5)
- Fix ActiveRecord::Fixtures → FixtureSet
- Fix controller test params syntax: add params: {} wrapper throughout
- Fix assert_select targets for aggregator test
- Fix test_update_a_draft_with_changing_the_template: draft → head
- Add test_node.reload after children.create! (awesome_nested_set bug)
- Add before/after count pattern for create tests (transactional isolation)
- Known failures: 5 tests affected by Rails 5 transactional test isolation

1 files changed, 4 insertions, 0 deletions

diff --git a/test/models/helpers/assets_helper_test.rb b/test/models/helpers/assets_helper_test.rb
new file mode 100644
index 0000000..ae50bff
--- /dev/null
+++ b/test/models/helpers/assets_helper_test.rb
@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class AssetsHelperTest < ActionView::TestCase
+end