Added additional test files that were missing for the compressor tests with a custom dir.

Author: jezdez

tests/media/custom/js/3f33b9146e12.js

@@ -0,0 +1 @@
+obj={};obj.value="value";

tests/media/custom/nested/js/3f33b9146e12.js

@@ -0,0 +1 @@
+obj={};obj.value="value";

tests/media/js/3f33b9146e12.js

@@ -0,0 +1 @@
+obj={};obj.value="value";