added tests for custom toBeWithinTolerance matcher
added tests for custom toBeWithinTolerance matcher

2947721120/jquery-match-height,rlowry/jquery-match-height,slackero/jquery-match-height,2947721120/jquery-match-height,liabru/jquery-match-height,rlowry/jquery-match-height,liabru/jquery-match-height