tests/run-tests.py: Add "nice -20" to command.

dpgeorge · dpgeorge · commit bc44b8a42e75 · 2022-05-04T09:40:20.000+10:00
Signed-off-by: Damien George &lt;damien@micropython.org&gt;
diff --git a/tests/run-tests.py b/tests/run-tests.py
@@ -162,7 +162,7 @@ def send_get(what):
             # a standard test run on PC
 
             # create system command
-            cmdlist = [MICROPYTHON, "-X", "emit=" + args.emit]
+            cmdlist = ["nice", "-20", MICROPYTHON, "-X", "emit=" + args.emit]
             if args.heapsize is not None:
                 cmdlist.extend(["-X", "heapsize=" + args.heapsize])
 
