}
          }
        }
      }
    }
  }

  // TODO(b/172823566): Use mainline testToImmutableRangeSet once CollectorTester is usable to java7
  public void testToImmutableRangeSet_java7_combine() {
    Range<Integer> rangeOne = Range.closedOpen(1, 3);
    Range<Integer> rangeTwo = Range.closedOpen(7, 9);
    Range<Integer> rangeThree = Range.closedOpen(4, 5);