Refactor test cases for improved readability and consistency

- Adjusted function signatures in various test files to enhance clarity by aligning parameters.
- Updated patching syntax for better readability across test cases.
- Improved formatting and spacing in test assertions and mock setups.
- Ensured consistent use of async/await patterns in async test functions.
- Enhanced comments for better understanding of test intentions.

app/models/sound.py

@@ -30,9 +30,7 @@ class Sound(BaseModel, table=True):
     is_deletable: bool = Field(default=True, nullable=False)
 
     # constraints
-    __table_args__ = (
-        UniqueConstraint("hash", name="uq_sound_hash"),
-    )
+    __table_args__ = (UniqueConstraint("hash", name="uq_sound_hash"),)
 
     # relationships
     playlist_sounds: list["PlaylistSound"] = Relationship(back_populates="sound")