Add Signal assertions and inspections

[remcowesterhoud]

Description

Add assertions and inspections. Examples of assertions/insepctions are:

• Find process instance started by signal event
• Assert signal created
• Assert signal broadcasted

⚠️ This list might not be complete, these were the first that popped into my mind

[remcowesterhoud]

@lzgabel please comment here so I can assign the task to you 🙂

[lzgabel]

@remcowesterhoud. Please assign the task to me. Thanks❤️

[remcowesterhoud]

@lzgabel When you start working on this, please request the reviews from @nicpuppa. He will be supporting you with this task 🙂

[lzgabel]

@remcowesterhoud Many thanks. Remco. ❤️

[saig0]

Note

Heads up! We are building a new Java testing library for Camunda 8.6. The new library will replace Zeebe Process Test.
Read more about upcoming changes here and stay tuned for updates. 🚀