* Add tests for 1.1.19、1.1.20 and 1.1.21 of cis-1.5
* Avoid division by 0
* Use bitmask instead of lte
* Change to use multiple values via `use_multiple_values: true`
* Use find in 1.1.20 and 1.1.21
* Remove unnecessary whitespaces
* Fix a typo
* Add integration tests for cis 1.3 and cis 1.5
* Change the timeout of integration tests from 600s to 1200s
* Avoid repeated codes