test: Add test suite to Automake

Signed-off-by: Jacques de Laval <jacques@de-laval.se>

test/testenv_start.sh

@@ -7,8 +7,8 @@ TESTS_ROOT="$(pwd)/${TEST_DIR}/test_root"
 
 >&2 echo "Hint: Execute '${TEST_DIR}/testenv_exec.sh \$(pgrep -P $$) /bin/sh; reset' to enter the test namespace"
 
-unshare=$(which unshare)
-chroot=$(which chroot)
+unshare=$(command -v unshare)
+chroot=$(command -v chroot)
 
 export PATH=/sbin:/bin
 export PS1='\w \$ '