tests: Add pipewire-alsa stress test

Add test that opens, prepares and closes the alsa pcm device in several
threads simultaneously in an infinite loop.

pipewire-alsa/tests/meson.build

@@ -0,0 +1,23 @@
+test_apps = [
+  [ 'test-pipewire-alsa-stress', [alsa_dep, pthread_lib] ],
+]
+
+foreach a : test_apps
+  executable('pw-' + a[0], a[0] + '.c',
+    dependencies : a[1],
+    include_directories: [includes_inc],
+    install : installed_tests_enabled,
+    install_dir : installed_tests_execdir
+  )
+
+  if installed_tests_enabled
+    test_conf = configuration_data()
+    test_conf.set('exec', installed_tests_execdir / 'pw-' + a[0])
+    configure_file(
+      input: installed_tests_template,
+      output: 'pw-' + a[0] + '.test',
+      install_dir: installed_tests_metadir,
+      configuration: test_conf
+    )
+  endif
+endforeach