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+package ua.qa.training.sandbox;%0A%0Aimport org.testng.Assert;%0Aimport org.testng.annotations.Test;%0A%0A/**%0A * Created by osoboleva on 9/18/2016.%0A */%0Apublic class SquareTests %7B%0A%0A  @Test%0A  public void testArea() %7B%0A    Square s = new Square(5);%0A    Assert.assertEquals(s.area(), 25.0);%0A  %7D%0A%7D%0A

Add test for Square (from the video)