Added test cases

[Arvmor]

Test Cases #22

• ❌ map_generation -> Checking boundaries / Path collision ( #12 , #7 ) FAILED
• ✅ enemy_behavior
• ✅ player_behavior
• ✅ player_shooting
• ✅ movement_behaviors

[jadijadi]

Thanks. In the video I say "I have to do this later, so lets open an issue not to forget it". So I will explain and create a sample text in a later video and will merge yours then.