for (PivotRowSplit prs : pivotSpecification.getRowSplits()) {
Assert.assertTrue(prs instanceof StringPivotRowSplit);
JsonElement found = prs.toJson();
JsonObject expected = new JsonObject();
expected.addProperty("fieldName", "host");
expected.addProperty("label", "My Label");
expected.addProperty("owner", "BaseEvent");
expected.addProperty("type", "string");
Assert.assertEquals(expected, found);