Fix 'test florin spacing' to clean up after itself

test/unit/css.test.js

diff --git a/test/unit/css.test.js b/test/unit/css.test.js
index 223895f..044e03f 100644
--- a/test/unit/css.test.js
+++ b/test/unit/css.test.js
@@ -52,5 +52,7 @@
     var mqF = $(mq.el()).find('.mq-f');
     var testVal = parseFloat(mqF.css('margin-right')) - parseFloat(mqF.css('margin-left'));
     assert.ok(testVal > 0, 'this should be truthy') ;
+
+    $(mq.el()).remove();
   });
 });