Fix remaining tests

Author: jderusse

Tests/Iterator/SortableIteratorTest.php

@@ -33,11 +33,7 @@ public function testAccept($mode, $expected)
         if (!\is_callable($mode)) {
             switch ($mode) {
                 case SortableIterator::SORT_BY_ACCESSED_TIME:
-                    if ('\\' === \DIRECTORY_SEPARATOR) {
-                        touch(self::toAbsolute('.git'));
-                    } else {
-                        file_get_contents(self::toAbsolute('.git'));
-                    }
+                    touch(self::toAbsolute('.git'));
                     sleep(1);
                     file_get_contents(self::toAbsolute('.bar'));
                     break;