MDL-60600 core_output: Clear static icon system cache between unit tests

2017-10-26 14:59:35 +01:00
parent d12e409784
commit a9ca3fa167
2 changed files with 8 additions and 0 deletions
@@ -145,5 +145,12 @@ abstract class icon_system {
        }
        return false;
    }
+
+    /**
+     * Clears the instance cache, for use in unit tests
+     */
+    public static function reset_caches() {
+        self::$instance = null;
+    }
 }