Update tests/test_primitives/test_reawaitable/test_reawaitable_concurrency.py

Co-authored-by: sobolevn <mail@sobolevn.me>

Author: proboscis

tests/test_primitives/test_reawaitable/test_reawaitable_concurrency.py

@@ -8,9 +8,7 @@
 # https://github.com/dry-python/returns/issues/2108
 async def sample_coro() -> str:
     """Sample coroutine that simulates an async operation."""
-    await anyio.sleep(
-        1
-    )  # Increased from 0.1 to reduce chance of random failures
+    await anyio.sleep(1)  
     return 'done'