diff --git a/tests/index.js b/tests/index.js
index beb517f..a0f6e3b 100644
--- a/tests/index.js
+++ b/tests/index.js
@@ -3,6 +3,9 @@
  * get them running by default.
  */
 
+// Shims
+require('./spec/shims/fs.spec');
+
 // Filer
 require('./spec/filer.spec');
 require('./spec/filer.buffer.spec.js');