tests: add more integration tests for core tools.

tests/bats/cpuid.bats

@@ -0,0 +1,28 @@
+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2024 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load common
+
+setup_file() {
+    aa_setup
+}
+
+# bats test_tags=cpuid
+@test "cpuid: Display information for all CPUs" {
+    cpuid
+    aa_check
+}
+
+# bats test_tags=cpuid
+@test "cpuid: Display information only for the current CPU" {
+    cpuid -1
+    aa_check
+}
+
+# bats test_tags=cpuid
+@test "cpuid: Display raw hex information with no decoding" {
+    cpuid -r
+    aa_check
+}