Fix test for repeatable run

Author: Sannis

ext/opcache/tests/opcache_revalidation_in_cli.phpt

@@ -11,6 +11,8 @@ opcache.revalidate_freq=1
 <?php
 $file = __DIR__ . DIRECTORY_SEPARATOR . pathinfo(__FILE__, PATHINFO_FILENAME) . '.inc';
 
+var_dump(opcache_invalidate($file));
+
 file_put_contents($file, <<<PHP
 <?php
 return 42;
@@ -33,6 +35,7 @@ var_dump(include $file);
 
 ?>
 --EXPECT--
+bool(true)
 int(42)
 int(42)
 int(1234)