@Test
public void testCheckHealth() throws Exception {

	assertEquals(Status.SEVERE, healthChecker.visit(activity, ancestors).getStatus());
	ObjectNode configuration = JsonNodeFactory.instance.objectNode();
	configuration.put("columnRange", configuration.objectNode().put("start", 0).put("end", 1));
	configuration.put("rowRange", configuration.objectNode().put("start", 0).put("end", -1));
	configuration.put("emptyCellValue", "");
	configuration.put("allRows", true);
	configuration.put("excludeFirstRow", false);
	configuration.put("ignoreBlankRows", false);
	configuration.put("emptyCellPolicy", "EMPTY_STRING");
	configuration.put("outputFormat", "PORT_PER_COLUMN");
	configuration.put("csvDelimiter", ",");
	activity.configure(configuration);
	assertEquals(Status.OK, healthChecker.visit(activity, ancestors).getStatus());
}