@Test
public void testApply_convertsVarargOfArraysOfStrings() {

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