Add unit tests for TeamsRepository and TeamsService

- Implement tests for team creation, retrieval, updating, and deletion in TeamsRepository.
- Add tests for team member management including adding and removing members.
- Create tests for team invitations and searching teams.
- Ensure proper cleanup of test data after each test case.
- Validate unauthorized operations for team management.

tests/Cargo.toml

@@ -26,4 +26,6 @@ uuid.workspace = true
 rand.workspace = true 
  
 chrono.workspace = true 
-axum.workspace = true
+axum.workspace = true
+yoke = { version = "0.8.0", features = ["derive", "alloc"] }
+yoke-derive = "0.8.0"