Retry (un)checking an element

This checks or unchecks an element and then confirms that the change
was successful, and retries if it was not.

qa/qa/page/base.rb

@@ -86,11 +86,19 @@ module QA
       end
 
       def check_element(name)
-        find_element(name).set(true)
+        retry_until(sleep_interval: 1) do
+          find_element(name).set(true)
+
+          find_element(name).checked?
+        end
       end
 
       def uncheck_element(name)
-        find_element(name).set(false)
+        retry_until(sleep_interval: 1) do
+          find_element(name).set(false)
+
+          !find_element(name).checked?
+        end
       end
 
       # replace with (..., page = self.class)

qa/qa/support/page/logging.rb

@@ -59,6 +59,18 @@ module QA
           elements
         end
 
+        def check_element(name)
+          log("checking :#{name}")
+
+          super
+        end
+
+        def uncheck_element(name)
+          log("unchecking :#{name}")
+
+          super
+        end
+
         def click_element(name, page = nil, **kwargs)
           msg = ["clicking :#{name}"]
           msg << ", expecting to be at #{page.class}" if page