test: Add test target

[denischilik]

Summary

• This PR add test target to the adobe kit
• Add testing of different scenarios
• Fixes crash in case of error format is not dictionary
• Inject session into class instead creating it for each call

Testing Plan

• Was this tested locally? If not, explain why.
• {explain how this has been tested, and what, if any, additional testing should be done}

Reference Issue (For mParticle employees only. Ignore if you are an outside contributor)

• Closes https://rokt.atlassian.net/browse/SDKE-366

[nickolas-dimitrakas]

LGTM