Skip test_scalar_debug_check in tpu_sparsecore_pallas_debug_check_test.

Causes pytest testsuite to hang in its entirety, and fails on Bazel, while running on v6e-8.

PiperOrigin-RevId: 845416829

Author: belitskiy

tests/pallas/tpu_sparsecore_pallas_debug_check_test.py

@@ -68,9 +68,9 @@ def setUp(self):
     super().setUp()
 
   def test_scalar_debug_check(self):
-    if not jtu.is_device_tpu_at_least(6):
-      # TODO: b/436509694 - Figure out why the test gets stuck on v5p.
-      self.skipTest("")
+    if not jtu.is_device_tpu_at_least(7):
+      # TODO: b/469486032 - Figure out why the test gets stuck on v5p, v6e.
+      self.skipTest("Fails on v5p and v6e.")
 
     x = jnp.arange(8)