Unit Tests

[BONNe]

Description

Is your feature request related to a problem?

Currently existing UnitTests just tests if item removal algorithm takes correct amount of items from player inventory, but there are a lot more things that could be tested.

Describe the solution you'd like us to implement.

• Test Block Removal
• Test Entities Removal
• Test Experience Removal
• Test Money Removal
• Test Money Removal
• Test Ability to complete other type challenge
• Test Ability to complete other type challenge
• Test Ability to complete island type challenge
• Test Ability return items if completion fails

Additional context

This will provide better changes testing and will provide ability to find issues before users encounters them.