tests/ports/rp2: Update lightsleep/machine_idle to skip on RP2350.

Signed-off-by: Damien George <damien@micropython.org>

tests/ports/rp2/rp2_lightsleep.py

@@ -9,13 +9,18 @@
 # A range of sleep periods (1 to 512ms) are tested. The total nominal sleep time
 # is 10.23 seconds, but on most ports this will finish much earlier as interrupts
 # happen before each timeout expires.
+import sys
+
 try:
     from machine import lightsleep, Pin
 except ImportError:
     print("SKIP")
     raise SystemExit
 
-from sys import stdout, platform
+# RP2350 currently fails this test, needs further investigation.
+if "RP2350" in sys.implementation._machine:
+    print("SKIP")
+    raise SystemExit
 
 try:
     led = Pin(Pin.board.LED, Pin.OUT)
@@ -25,7 +30,7 @@ except AttributeError:
 for n in range(100):
     if led:
         led.toggle()
-    stdout.write(chr(ord("a") + (n % 26)))
+    sys.stdout.write(chr(ord("a") + (n % 26)))
     lightsleep(2 ** (n % 10))
 
 print("\nDONE")

tests/ports/rp2/rp2_machine_idle.py

@@ -1,3 +1,4 @@
+import sys
 import machine
 import time
 
@@ -17,6 +18,11 @@ import time
 # Verification uses the average idle time, as individual iterations will always
 # have outliers due to interrupts, scheduler, etc.
 
+# RP2350 currently fails this test because machine.idle() resumes immediately.
+if "RP2350" in sys.implementation._machine:
+    print("SKIP")
+    raise SystemExit
+
 ITERATIONS = 500
 total = 0