Behave: Add scenario for script

[Tony763]

Description

This PR adds behave test for automation/script. New test trigger script that turns on a light entity and reads its state to validate it was really changed by the script.

This is an action to solve issue #101. No odd behavior was found for now.

Type of PR

Either delete those that do not apply, or add an x between the square brackets like so: - [x]

• [ ] Bugfix
• [ ] Feature implementation
• [ ] Refactor of code (without functional changes)
• [ ] Documentation improvements
• [x] Test improvements

Testing

OK Allure report can be seen here.

[stratus-ss]

@Tony763 can you fix up the merge conflict please?

[Tony763]

Done :slightly_smiling_face:

[stratus-ss]

thanks!