code: public static void assertAccessibility(String htmlString, Testable testable) {
          assertThat(htmlString, is(compliantTo(testable)));
      }
docs: JUnit Assertion to verify a {@link java.lang.String} containing the HTML page for accessibility.
  
  @param htmlString {@link java.lang.String} containing the HTML page
  @param testable   rule(s) to apply