@Test
  public void testA11UseCase3way() throws IOException {
    final Resource left = input.getA1Left();
    final Resource right = input.getA1Right();

    final Comparison comparison = compare(left, right, left);
    testAB1(TestKind.DELETE, comparison);

    testMergeLeftToRight(left, right, left);
    testMergeRightToLeft(left, right, left);
  }
  @Test
  public void testA10UseCase() throws IOException {
    final Resource left = input.getA1Left();
    final Resource right = input.getA1Right();

    final Comparison comparison = compare(left, right);
    testAB1(TestKind.ADD, comparison);

    testMergeLeftToRight(left, right, null);
    testMergeRightToLeft(left, right, null);
  }