[robotpy] Mirror robotpy's commands-v2 (#8369)

Project import generated by Copybara.

GitOrigin-RevId: 715c8e8372d936f447f2937aab6b1a22dc619126

commandsv2/src/test/python/test_notifier_command.py

@@ -0,0 +1,22 @@
+from typing import TYPE_CHECKING
+
+import commands2
+from util import *  # type: ignore
+
+if TYPE_CHECKING:
+    from .util import *
+
+import pytest
+
+
+def test_notifierCommandScheduler(scheduler: commands2.CommandScheduler):
+    with ManualSimTime() as sim:
+        counter = OOInteger(0)
+        command = commands2.NotifierCommand(counter.incrementAndGet, 0.01)
+
+        scheduler.schedule(command)
+        for i in range(5):
+            sim.step(0.005)
+        scheduler.cancel(command)
+
+        assert counter == 2