Assert.assertEquals("Value of the first cell of the second column", "3", cells.get(0).getText());
Assert.assertEquals("Number of rows present", 10, cells.size());
WebElement filterInput = browser.findElement(By.id("myForm:edt:column2:flt"));
filterInput.clear();
filterInput.sendKeys("3");
guardAjax(filterInput).sendKeys(Keys.TAB);
cells = browser.findElements(By.cssSelector(".rf-edt-c-column2 .rf-edt-c-cnt"));
Assert.assertEquals("Value of the first cell of the second column", "3", cells.get(0).getText());
Assert.assertEquals("Number of rows present", 4, cells.size());
}