message: Test flexible bounds in date range queries
diff: @@ -552,6 +552,18 @@ mod test {
  .expect("Cannot parse date range")
  .0;
  assert_eq!(res5, expected_dates);
  +
  + let expected_flexible_dates = UserInputLeaf::Range {
  + field: Some("date_field".to_string()),
  + lower: UserInputBound::Unbounded,
  + upper: UserInputBound::Inclusive("2021-08-02T18:54:42.12345+02:30".to_string()),
  + };
  +
  + let res6 = range()
  + .parse("date_field: <=2021-08-02T18:54:42.12345+02:30")
  + .expect("Cannot parse date range")
  + .0;
  + assert_eq!(res6, expected_flexible_dates);
  }
  #[test]
  