Added a unit test for multithreaded alignments

src/autobigs/engine/analysis/aligners.py

@@ -7,7 +7,6 @@ from queue import Queue
 
 from autobigs.engine.structures.alignment import AlignmentStats, PairwiseAlignment
 
-
 class AsyncBiopythonPairwiseAlignmentEngine(AbstractContextManager):
     def __enter__(self):
         self._thread_pool = ThreadPoolExecutor(self._max_threads, thread_name_prefix="async-pairwise-alignment")
@@ -52,8 +51,8 @@ class AsyncBiopythonPairwiseAlignmentEngine(AbstractContextManager):
     async def next_completed(self) -> Union[tuple[PairwiseAlignment, dict[str, Any]], None]:
         if self._work_complete.empty() and len(self._work_left):
             return None
-        future_now = await asyncio.wrap_future(self._work_complete.get())
-        return future_now
+        completed_alignment = await asyncio.wrap_future(self._work_complete.get())
+        return completed_alignment
 
     def __exit__(self, exc_type, exc_value, traceback):
         self.shutdown()