Issue 694: fix failing test - set filemtimes explicitly in test setup

_test/tests/inc/cache_use.test.php

@@ -18,11 +18,14 @@ class cache_use_test extends DokuWikiTest {
         $conf['cachetime'] = 0;  // ensure the value is not -1, which disables caching
 
         saveWikiText($ID, 'Content', 'Created');
-        // set the modification time a second in the past in order to ensure that the cache is newer than the page
-        touch($file, time()-1);
 
         $this->cache = new cache_renderer($ID, $file, 'xhtml');
         $this->cache->storeCache('Test');
+
+        // set the modification times explicitly (overcome Issue #694)
+        $time = time();
+        touch($file, $time-1);
+        touch($this->cache->cache, $time);
     }
 
     function test_use() {