Try to fix tests. Part 3.

Thanks to xet7 !

server/lib/tests/index.js

@@ -1 +1 @@
-import './Utils.tests';
+import './utils.tests';

tests/main.js

@@ -19,7 +19,7 @@
 
 if (Meteor.isServer) {
   describe('server', function() {
-    import '../server/lib/tests';
+    import '../server/lib/tests/utils.tests';
   });
 }