Tests: Fix grammar error in comment

Changed it's to its.

Closes gh-1164

diff --git a/tests/unit/testsuite.js b/tests/unit/testsuite.js
index ffd1e73de4e5a6cd3bc4b6df2ad3ab79fcb16922..e15d57a918f02d58201be2ea34e77d1a629cecf2 100644 (file)
--- a/tests/unit/testsuite.js
+++ b/tests/unit/testsuite.js
@@ -211,7 +211,7 @@ window.closeEnough = function( actual, expected, maxDifference, message ) {
 /*
  * Experimental assertion for comparing DOM objects.
  *
- * Serializes an element and some properties and attributes and it's children if any, otherwise the text.
+ * Serializes an element and some properties and attributes and its children if any, otherwise the text.
  * Then compares the result using deepEqual.
  */
 window.domEqual = function( selector, modifier, message ) {