tests: Rename uasyncio to asyncio.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

tests/extmod/asyncio_current_task.py

@@ -0,0 +1,22 @@
+# Test current_task() function
+
+try:
+    import asyncio
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+
+async def task(result):
+    result[0] = asyncio.current_task()
+
+
+async def main():
+    result = [None]
+    t = asyncio.create_task(task(result))
+    await asyncio.sleep(0)
+    await asyncio.sleep(0)
+    print(t is result[0])
+
+
+asyncio.run(main())