@CanIgnoreReturnValue
  public final Ordered containsExactly() {
    return containsExactlyEntriesIn(ImmutableMap.of());
  }
@Test
  public void containsExactlyWrongValueWithNull() {
    // Test for https://github.com/google/truth/issues/468
    ImmutableMap<String, Integer> actual = ImmutableMap.of("jan", 1, "feb", 2, "march", 3);
    expectFailureWhenTestingThat(actual).containsExactly("jan", 1, "march", null, "feb", 2);
    assertFailureKeys(
        "keys with wrong values",
        "for key",
        "expected value",
        "but got value",
        "---",
        "expected",
        "but was");
    assertFailureValue("for key", "march");
    assertFailureValue("expected value", "null");
    assertFailureValue("but got value", "3");
  }