Configure fixtures

Author: andyw8

lib/ruby_lsp/ruby_lsp_rails/server.rb

@@ -3,7 +3,15 @@
 
 require "json"
 require "open3"
-require "rails/test_help" # to determine the fixture_paths
+
+# to determine the fixture_paths
+if defined?(ActiveRecord::Base)
+  ActiveSupport.on_load(:active_support_test_case) do
+    include ActiveRecord::TestFixtures
+
+    fixture_paths << "#{Rails.root}/test/fixtures/"
+  end
+end
 
 module RubyLsp
   module Rails