Make test script less chatty when log_errors is on.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>

tests/index.php

@@ -23,6 +23,16 @@
  *          $test_files) do not have underscores in their names.
  */
 
+// HTML Purifier runs error free on E_STRICT, so if code reports
+// errors, we want to know about it.
+error_reporting(E_ALL | E_STRICT);
+
+// Because we always want to know about errors, and because SimpleTest
+// will notify us about them, logging the errors to stderr is
+// counterproductive and in fact the wrong thing when a test case 
+// exercises an error condition to detect for it.
+ini_set('log_errors', false);
+
 define('HTMLPurifierTest', 1);
 define('HTMLPURIFIER_SCHEMA_STRICT', true); // validate schemas
 chdir(dirname(__FILE__));