private void verifySideInputs() {
assertThat(sideInput(sideInput1), containsInAnyOrder("a", "b", "c"));
Map<String, String> mapSideInput = sideInput(sideInput2);
assertEquals(3, mapSideInput.size());
assertThat(
mapSideInput,
allOf(hasEntry("a", "a"), hasEntry("b", "b"), hasEntry("c", "c")));
}
})