Conditional check on RSpec rails defining

Author: Sam Phippen

spec/rspec/rails/example/system_example_group_spec.rb

@@ -1,8 +1,10 @@
-require "spec_helper"
+if defined?(RSpec::Rails::SystemExampleGroup)
+  require "spec_helper"
 
-module RSpec::Rails
-  describe SystemExampleGroup do
-    it_behaves_like "an rspec-rails example group mixin", :system,
-      './spec/system/', '.\\spec\\system\\'
+  module RSpec::Rails
+    describe SystemExampleGroup do
+      it_behaves_like "an rspec-rails example group mixin", :system,
+        './spec/system/', '.\\spec\\system\\'
+    end
   end
 end