Add capture dummy test

Author: Cuda-Chen

.ci/test-sound.sh

@@ -9,8 +9,6 @@ source "${SCRIPT_DIR}/common.sh"
 
 SAMPLE_SOUND="/usr/share/sounds/alsa/Front_Center.wav"
 
-FOO="    exec aplay -C -d 3 --fatal-errors -f S16_LE > /dev/null"
-
 TEST_SOUND() {
     ASSERT expect <<DONE
     set timeout ${TIMEOUT}
@@ -19,6 +17,7 @@ TEST_SOUND() {
     expect "# " { send "uname -a\\n" } timeout { exit 2 }
 
     expect "riscv32 GNU/Linux" { send "aplay ${SAMPLE_SOUND} --fatal-errors > /dev/null\\n"} timeout { exit 3 }
+    expect "# " { send "aplay -C -d 3 --fatal-errors -f S16_LE > /dev/null"} timeout { exit 4 }
 DONE
 }