add simple tests

tests/run_tests.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -ex
+
+# is alsactl present and working?
+alsactl --version
+
+# is amixer present and working?
+amixer --help
+
+# is alsamixer present and working?
+alsamixer --version
+
+# is amidi present and working?
+amidi --version
+
+# is speaker-test preset and working?
+speaker-test -h
+
+# aplay test (like for alsa-lib)
+str=$(aplay -L | grep -E "^null$")
+if [ "$str" != "null" ]; then
+  echo "The 'null' pcm plugin was not found!"
+  exit 99
+fi
+
+# alsa-info.sh present and working?
+alsa-info.sh --help

tests/tests.yml

@@ -0,0 +1,9 @@
+- hosts: localhost
+  roles:
+    - role: standard-test-basic
+      tags:
+        - classic
+      tests:
+        - simple:
+            dir: .
+            run: ./run_tests.sh