1 files changed, 16 insertions, 0 deletions
diff --git a/qa/qa/page/page_concern.rb b/qa/qa/page/page_concern.rb
new file mode 100644
index 00000000000..6ba2d27f574
--- /dev/null
+++ b/qa/qa/page/page_concern.rb
@@ -0,0 +1,16 @@
+module QA
+  module Page
+    module PageConcern
+      def included(base)
+        unless base.is_a?(Class)
+          raise "Expected #{self} to be prepended to a class, but #{base} is a module!"
+        end
+
+        unless base.ancestors.include?(::QA::Page::Base)
+          raise "Expected #{self} to be prepended to a class that inherits from ::QA::Page::Base, but #{base} doesn't!"
+        end
+      end
+      alias_method :prepended, :included
+    end
+  end
+end