Add pattern test

test/patterns/rainbow_cycle.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+import utime
+from machine import WDT
+from settings import Settings
+from patterns import Patterns
+
+
+def run():
+    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("br", 64)
+    p.set_param("dl", 100)
+    p.set_param("pt", "rainbow_cycle")
+
+    start = utime.ticks_ms()
+    while utime.ticks_diff(utime.ticks_ms(), start) < 1500:
+        p.tick()
+        wdt.feed()
+        utime.sleep_ms(10)
+
+    p.set_param("pt", "off")
+    p.tick()
+    utime.sleep_ms(100)
+
+
+if __name__ == "__main__":
+    run()
+
+