+
+ /**
+ * Use TidySupport to check whether we should use $wgTidyInternal.
+ *
+ * The Tidy extension in HHVM does not support error text return, so it is
+ * nominally usable, but does not pass tests which require error text from
+ * Tidy.
+ */
+ protected function setUp() {
+ parent::setUp();
+ $tidySupport = new TidySupport();
+ $this->setMwGlobals( 'wgTidyInternal', $tidySupport->isInternal() );
+ }
+