Fix run-tests.php counting an uncountable

Author: duncan3dc

run-tests.php

@@ -1637,7 +1637,7 @@ function run_test($php, $file, $env)
 		$IN_REDIRECT['dir'] = realpath(dirname($file));
 		$IN_REDIRECT['prefix'] = trim($section_text['TEST']);
 
-		if (count($IN_REDIRECT['TESTS']) == 1) {
+		if (is_array($IN_REDIRECT['TESTS']) && count($IN_REDIRECT['TESTS']) == 1) {
 
 			if (is_array($org_file)) {
 				$test_files[] = $org_file[1];