Remove unused pattern tests

test/patterns/off.py

@@ -1,24 +1,26 @@
 #!/usr/bin/env python3
-import utime
+import uasyncio as asyncio
 from machine import WDT
 from settings import Settings
 from patterns import Patterns
 
 
-def run():
+async def main():
     s = Settings()
     pin = s.get("led_pin", 10)
     num = s.get("num_leds", 30)
 
     p = Patterns(pin=pin, num_leds=num)
     wdt = WDT(timeout=10000)
-    p.set_param("pt", "off")
-    p.tick()
+    p.select("off")
+    task = asyncio.create_task(p.run())
     wdt.feed()
-    utime.sleep_ms(200)
+    await asyncio.sleep_ms(200)
+    p.stopped = True
+    await task
 
 
 if __name__ == "__main__":
-    run()
+    asyncio.run(main())