tests: add more integration tests for core tools.

tests/bats/w.bats

@@ -0,0 +1,22 @@
+#!/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=w
+@test "w: Display information about all users who are currently logged in" {
+    w
+    aa_check
+}
+
+# bats test_tags=w
+@test "w: Display information about a specific user" {
+    w root
+    aa_check
+}