@Test
public void testApply_convertsArrayOfStrings() {

  Cookbook cookbook = new Cookbook("test", new ArrayList<>(), new ArrayList<>());
  Filter filter = new JavaValueFilter(cookbook);
  assertEquals(
      "new String[]{\"a\", \"b\", \"c\"}",
      filter.apply(Lists.newArrayList("a", "b", "c"), "string[]"));
}