Add configuration to supress active_record checks

lib/generators/rspec/install/templates/spec/rails_helper.rb

@@ -42,6 +42,13 @@
   # instead of true.
   config.use_transactional_fixtures = true
 
+  # You can uncomment this line to turn off active_record support entirely.
+  # config.use_active_record = false
+
+<% else -%>
+  # Remove this line to enable support for active_record
+  config.use_active_record = false
+
 <% end -%>
   # RSpec Rails can automatically mix in different behaviours to your tests
   # based on their file location, for example enabling you to call `get` and

lib/rspec/rails/configuration.rb

@@ -64,6 +64,7 @@ def self.initialize_configuration(config)
       config.add_setting :infer_base_class_for_anonymous_controllers, default: true
 
       # fixture support
+      config.add_setting :use_active_record, default: true
       config.add_setting :use_transactional_fixtures, alias_with: :use_transactional_examples
       config.add_setting :use_instantiated_fixtures
       config.add_setting :global_fixtures

lib/rspec/rails/fixture_support.rb

@@ -10,6 +10,10 @@ module FixtureSupport
         include ActiveRecord::TestFixtures
 
         included do
+          setup if RSpec.configuration.use_active_record?
+        end
+
+        def self.setup
           self.fixture_path = RSpec.configuration.fixture_path
           if ::Rails::VERSION::STRING > '5'
             self.use_transactional_tests = RSpec.configuration.use_transactional_fixtures