@Test
public void getListReturnsFormList() throws Exception {

  final Map<String, String> testKVP = new HashMap<>();
  final String testJoinedString = String.join(",", testList);
  final Form form = mockedForm(testKVP);
  testKVP.put(testKey, testJoinedString);
  classUnderTest = new RequestParametersForm(form);
  assertEquals(testList, classUnderTest.getList(testKey));
}